{"id":2906,"date":"2025-11-28T22:37:03","date_gmt":"2025-11-28T13:37:03","guid":{"rendered":"https:\/\/y42u.net\/tec001\/?p=2906"},"modified":"2026-06-20T11:05:56","modified_gmt":"2026-06-20T02:05:56","slug":"%e8%83%bd%e7%99%bb%e5%9c%b0%e9%9c%87%e3%81%ae%e8%a3%9c%e6%ad%a3%e3%83%91%e3%83%a9%e3%83%a1%e3%83%bc%e3%82%bf%e3%83%95%e3%82%a1%e3%82%a4%e3%83%ab%e9%87%8d%e8%a4%87%e9%83%a8%e5%88%86%e3%82%92%e8%aa%bf","status":"publish","type":"post","link":"https:\/\/y42u.net\/tec001\/2025\/11\/28\/%e8%83%bd%e7%99%bb%e5%9c%b0%e9%9c%87%e3%81%ae%e8%a3%9c%e6%ad%a3%e3%83%91%e3%83%a9%e3%83%a1%e3%83%bc%e3%82%bf%e3%83%95%e3%82%a1%e3%82%a4%e3%83%ab%e9%87%8d%e8%a4%87%e9%83%a8%e5%88%86%e3%82%92%e8%aa%bf\/","title":{"rendered":"\u80fd\u767b\u5730\u9707\u306e\u88dc\u6b63\u30d1\u30e9\u30e1\u30fc\u30bf\u30d5\u30a1\u30a4\u30eb\u91cd\u8907\u90e8\u5206\u3092\u8abf\u67fb\u3057\u305f"},"content":{"rendered":"\n

\uff12\u3064\u3042\u308b\u80fd\u767b\u5730\u9707\u306e\u88dc\u6b63\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u4f7f\u7528\u65b9\u6cd5\u3092\u8abf\u67fb\u691c\u8a0e\u3057\u305f\u3002\uff12\u30e1\u30c3\u30b7\u30e5(54367652<\/strong>,54367662<\/strong>)\u306e\u307f\u91cd\u8907\u304c\u3042\u308b\u69d8\u306a\u306e\u3067\u3001geo\u30a2\u30c3\u30d7\u30ea\u3068\u3057\u3066\u306f\u5e02\u753a\u6751\u3067\u9069\u7528\u3059\u308b\u306e\u3067\u306f\u306a\u304f\u7c21\u6613\u7684\u306b\u5b9f\u88c5\u3059\u308b\u4e8b\u306b\u3057\u307e\u3059\u3002\u6ce8\u610f\u3057\u3066\u4f7f\u7528\u3057\u3066\u4e0b\u3055\u3044\u3002<\/p>\n\n\n\n

1.\u80fd\u767b\u5730\u9707\u306e\u88dc\u6b63\u30d1\u30e9\u30e1\u30fc\u30bf\u30d5\u30a1\u30a4\u30eb\u306f\uff12\u3064\u3042\u308a\u3001\u91cd\u8907\u90e8\u5206\u306f\u9069\u7528\u3059\u308b\u5e02\u753a\u6751\u306b\u5fdc\u3058\u3066\u5207\u308a\u66ff\u3048\u3066\u4f7f\u3046\u5fc5\u8981\u304c\u3042\u308b\u306e\u3067\u3001\u5177\u4f53\u7684\u306b\u3069\u306e\u7a0b\u5ea6\u91cd\u8907\u304c\u3042\u308b\u306e\u304b\u8abf\u67fb\u3057\u3066\u3001\u4eca\u5f8c\u306e\u4f7f\u7528\u65b9\u6cd5\u3092\u691c\u8a0e\u3059\u308b<\/h2>\n\n\n\n

1-1.\u5bfe\u8c61\u30c7\u30fc\u30bf(jgdMearge2024.db)<\/h3>\n\n\n\n

\u30c6\u30fc\u30d6\u30eb\u69cb\u9020\u306fmesh_code,db_sec,dl_sec,year_no<\/strong>\u3067\u3001year_no\u306f\u5bfe\u8c61\u5730\u9707\u3092\u9806\u306b0,1,2,3\u3068\u30ab\u30a6\u30f3\u30c8\u30a2\u30c3\u30d7\u3057\u305f\u756a\u53f7\u3067\u3042\u308b\u3002year_no\u304c1\u30012<\/strong>\u304c\u91cd\u8907\u8abf\u67fb\u3059\u308b\u80fd\u767b\u534a\u5cf6\u5730\u9707\u30d1\u30e9\u30e1\u30fc\u30bf\u3067\u3042\u308b\u3002<\/p>\n\n\n\n

\"\"<\/figure>
\n

\uff1c\u5bfe\u8c61\u5730\u9707\uff1e<\/strong>
yno=0:\u718a\u672c\u5730\u9707
yno=1:\u80fd\u767b\u534a\u5cf6\u5730\u9707
yno=2:\u80fd\u767b\u534a\u5cf6\u5730\u9707(\u88dc\u5b8c)
yno=3:\u65e5\u5411\u7058\u5730\u9707<\/p>\n\n\n\n

*yno=year_no
<\/p>\n\n\n\n


<\/p>\n\n\n\n


<\/p>\n<\/div><\/div>\n\n\n\n

1-\uff12.\u5358\u7d14\u91cd\u8907\u30c7\u30fc\u30bf<\/h3>\n\n\n\n
\"\"<\/figure>
\n

\uff1c\u91cd\u8907\u7b87\u6240\uff1e<\/strong>
\u7dcf\u30ec\u30b3\u30fc\u30c9\u6570:
245283
\u91cd\u8907\u30ec\u30b3\u30fc\u30c9\u6570:<\/p>\n\n\n\n

27392<\/p>\n\n\n\n

\u6ce8\u610f<\/strong>\uff1a\u80fd\u767b\u534a\u5cf6\u90e8\u5206\u306f\uff12\u3064\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u30d5\u30a1\u30a4\u30eb\u304c\u3042\u308b\u3002\u305d\u308c\u305e\u308c\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u30d5\u30a1\u30a4\u30eb\u306b\u306f\u5e02\u753a\u6751\u306e\u9069\u7528\u7bc4\u56f2<\/strong>\u304c\u3042\u308a\u3001\u91cd\u306a\u308b\u90e8\u5206\u306f\u9069\u7528\u3059\u308b\u5e02\u753a\u6751\u306b\u3088\u308a\u30d1\u30e9\u30e1\u30fc\u30bf\u30d5\u30a1\u30a4\u30eb\u3092\u5207\u308a\u66ff\u3048\u308b\u5fc5\u8981\u304c\u3042\u308b\u69d8\u3067\u3059\u3002<\/p>\n<\/div><\/div>\n\n\n\n

\"\"
\u5408\u6210\uff08\u52a0\u7b97\uff09\u7d50\u679c<\/figcaption><\/figure>\n\n\n\n

1-\uff13.\u80fd\u767b\u5730\u9707\u91cd\u8907\u30c7\u30fc\u30bf\u6570\u8abf\u67fb<\/h3>\n\n\n\n

sqlite3\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306a\u306e\u3067\u3001\u4ee5\u4e0b\u306esql\u6587\u306b\u3088\u308a\u691c\u7d22\u3057\u305f\u7d50\u679c\u3001128(<\/strong>256\/2)\u30e1\u30c3\u30b7\u30e5\u91cd\u8907\u304c\u3042\u308a\u305d\u3046\u3067\u3059\u3002<\/p>\n\n\n\n

<year_no=1,2\u3067\u540c\u4e00\u30e1\u30c3\u30b7\u30e5\u30b3\u30fc\u30c9\u6570\u304c\uff12\u4ee5\u4e0a\u3092\u691c\u7d22<\/strong>>\nSELECT *\nFROM mesh_corrections\nWHERE mesh_code IN (\n    SELECT mesh_code\n    FROM mesh_corrections\n\twhere year_no in (1,2)\n    GROUP BY mesh_code\n    HAVING COUNT(*) >= 2\n)\nORDER BY mesh_code, year_no;\n\n\u30a8\u30e9\u30fc\u306a\u3057\u3067\u5b9f\u884c\u304c\u7d42\u4e86\u3057\u307e\u3057\u305f\u3002\n\u7d50\u679c: 256 \u884c\u304c 11ms \u3067\u8fd4\u3055\u308c\u307e\u3057\u305f\n1 \u884c\u76ee:\n<\/code><\/pre>\n\n\n\n
\u4ee5\u4e0b\u306f\u691c\u7d22\u7d50\u679c\u306e\u4e00\u90e8\u629c\u7c8b\u3067\u3059<\/p>\n\n\n\n
mesh_code<\/th>db_sec<\/th>dl_sec<\/th>year_no<\/th><\/tr><\/thead>
54367652<\/strong><\/td>-3.0e-05<\/strong><\/td>-0.00023<\/strong><\/td>1<\/td><\/tr>
54367652<\/td>-2.0e-05<\/strong><\/td>-0.00022<\/strong><\/td>2<\/td><\/tr>
54367653<\/td>0.0<\/td>-0.00019<\/td>1<\/td><\/tr>
54367653<\/td>0.0<\/td>-0.00019<\/td>2<\/td><\/tr>
54367654<\/td>3.0e-05<\/td>-0.00015<\/td>1<\/td><\/tr>
54367654<\/td>3.0e-05<\/td>-0.00015<\/td>2<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
1-4.\u80fd\u767b\u5730\u9707\u7570\u306a\u308b\u91cd\u8907\u30c7\u30fc\u30bf\u6570\u8abf\u67fb<\/h3>\n\n\n\n
\u7d50\u679c\u4f8b\u3092\u898b\u308b\u3068\u3001db_sec,dl_sec\u304c\u540c\u3058\u5834\u5408\u304c\u591a\u305d\u3046\u3067\u3059\u3002\u5bfe\u8c61\u3068\u306a\u308b\u5e02\u753a\u6751\u3067\u5207\u308a\u66ff\u3048\u308b\u5fc5\u8981\u304c\u3042\u308b\u306e\u306f\u3001\u91cd\u8907\u90e8\u5206\u3067\u79fb\u52d5\u91cf\u304c\u7570\u306a\u308b\u30e1\u30c3\u30b7\u30e5\u306e\u307f\u306a\u306e\u3067\u8abf\u67fb\u3057\u305f\u7d50\u679c\uff12\u30e1\u30c3\u30b7\u30e5<\/strong>(54367652<\/strong>,54367662<\/strong>)\u306e\u307f\u304c\u5b9f\u969b\u306b\u5207\u308a\u66ff\u3048\u308b\u5fc5\u8981\u304c\u3042\u308b\u30e1\u30c3\u30b7\u30e5\u3067\u3057\u305f\u3002<\/p>\n\n\n\n
<year_no=1,2\u3067\u540c\u4e00\u30e1\u30c3\u30b7\u30e5\u30b3\u30fc\u30c9\u6570\u304c\uff12\u4ee5\u4e0a<\/strong>\u3067\u88dc\u6b63\u91cf\u304c\u7570\u306a\u308b\u3082\u306e\u3092\u691c\u7d22>\nSELECT *\nFROM mesh_corrections\nWHERE year_no IN (1, 2)\n  AND mesh_code IN (\n      -- \u3053\u3053\u3067\u300c\u5024\u304c\u7570\u306a\u308b mesh_code\u300d\u3092\u7279\u5b9a\u3057\u3066\u3044\u307e\u3059\n      SELECT t1.mesh_code\n      FROM mesh_corrections t1\n      INNER JOIN mesh_corrections t2 \n          ON t1.mesh_code = t2.mesh_code\n      WHERE t1.year_no = 1 \n        AND t2.year_no = 2\n        AND (t1.db_sec <> t2.db_sec OR t1.dl_sec <> t2.dl_sec)\n  )\nORDER BY mesh_code, year_no;\n\n\u30a8\u30e9\u30fc\u306a\u3057\u3067\u5b9f\u884c\u304c\u7d42\u4e86\u3057\u307e\u3057\u305f\u3002\n\u7d50\u679c: 4 \u884c\u304c 10ms \u3067\u8fd4\u3055\u308c\u307e\u3057\u305f\n1 \u884c\u76ee:<\/code><\/pre>\n\n\n\n
mesh_code<\/th>db_sec<\/th>dl_sec<\/th>year_no<\/th><\/tr><\/thead>
54367652<\/strong><\/td>-3.0e-05<\/strong><\/td>-0.00023<\/strong><\/td>1<\/td><\/tr>
54367652<\/td>-2.0e-05<\/strong><\/td>-0.00022<\/strong><\/td>2<\/td><\/tr>
54367662<\/strong><\/td>-3.0e-05<\/strong><\/td>-0.00026<\/strong><\/td>1<\/td><\/tr>
54367662<\/td>-2.0e-05<\/strong><\/td>-0.00025<\/strong><\/td>2<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
2.\u80fd\u767b\u5730\u9707\u306e\u88dc\u6b63\u65b9\u91dd\u3068\u65b0\u3057\u3044\u30d1\u30e9\u30e1\u30fc\u30bf\u4f5c\u6210<\/h2>\n\n\n\n
Geo(GeoDiveExa,GeoConverterPro)\u30a2\u30d7\u30ea\u306f\u3001\u516c\u5171\u6e2c\u91cf\u306b\u4f7f\u7528\u3059\u308b\u7269\u3067\u306f\u306a\u304f\u3001\u3042\u304f\u307e\u3067\u3082\u7c21\u5358\u306b\u4f4d\u7f6e\u3092\u6e2c\u5b9a\u30fb\u5ea7\u6a19\u5909\u63db\u3059\u308b\u30c4\u30fc\u30eb\u3067\u3059\u3002\u4e0a\u8a18\uff12\u30e1\u30c3\u30b7\u30e5\u7528\u306b\u7279\u5225\u306a\u51e6\u7406\u3092\u8ffd\u52a0\u305b\u305a\u7c21\u6613\u7684\u306a\u65b9\u6cd5\u3067\u5bfe\u5fdc\u3059\u308b\u306e\u3067\u4f7f\u7528\u306b\u306f\u6ce8\u610f\u3057\u3066\u4e0b\u3055\u3044\u3002<\/p>\n\n\n\n
2-1.2\u3064\u306e\u80fd\u767b\u5730\u9707\u88dc\u6b63\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\uff11\u3064\u306b\u3059\u308b<\/h3>\n\n\n\n
\uff12\u30e1\u30c3\u30b7\u30e5<\/strong>(54367652<\/strong>,54367662<\/strong>)\u306e\u307f\u7570\u306a\u308b\u306e\u3067\u3001\uff12\u3064\u306e\u88dc\u6b63\u30d1\u30e9\u30e1\u30fc\u30bf\u304c\u3042\u308b\u3068Geo\u30a2\u30d7\u30ea\u306f2\u5ea6\u88dc\u6b63\u5b9f\u884c\u3059\u308b\u306e\u3067\u5ea7\u6a19\u5909\u63db\u7d50\u679c\u306b\u30ba\u30ec\u304c\u767a\u751f\u3059\u308b\u3002\u3053\u306e\u4e0d\u5177\u5408\u89e3\u6d88\u306e\u305f\u3081\u306b\uff11\u3064\u306b\u30de\u30fc\u30b8\u3059\u308b\u3002<\/p>\n\n\n\n
<year_no=1,2\u306e<\/strong>\u30c7\u30fc\u30bf\u6570\u3092\u8abf\u67fb>\nSELECT count(*)\nFROM mesh_corrections\nWHERE year_no =1;\n\u30a8\u30e9\u30fc\u306a\u3057\u3067\u5b9f\u884c\u304c\u7d42\u4e86\u3057\u307e\u3057\u305f\u3002\n\u7d50\u679c: 1 \u884c\u304c 15ms \u3067\u8fd4\u3055\u308c\u307e\u3057\u305f\n1 \u884c\u76ee:15347<\/strong>\n\nSELECT count(*)\nFROM mesh_corrections\nWHERE year_no =2;\n\n\u30a8\u30e9\u30fc\u306a\u3057\u3067\u5b9f\u884c\u304c\u7d42\u4e86\u3057\u307e\u3057\u305f\u3002\n\u7d50\u679c: 1 \u884c\u304c 16ms \u3067\u8fd4\u3055\u308c\u307e\u3057\u305f\n1 \u884c\u76ee: 2001<\/strong>\n<\/code><\/pre>\n\n\n\n
\uff1c\u4ee5\u4e0b\u306e\u6761\u4ef6\u3067\u30de\u30fc\u30b8\u3057\u307e\u3059\uff1e\n\uff11\u3002mesh_code\u304c\u5358\u72ec\u306e\u3082\u306e\u306f\u305d\u306e\u307e\u307e\u65b0\u3057\u3044\u30c6\u30fc\u30d6\u30eb\u306byear_no=1\u3067\u8ffd\u52a0\u3059\u308b\u3002\uff12\u3002\uff12\u3002mesh_code\u304c\u540c\u3058\u3067db_sec,dl_sec\u304c\u540c\u3058\u3082\u306e\u306fmesh_code,db_sec,dl_sec,year_no=1\u3067\u3042\u305f\u3089\u3057\u3044\u30c6\u30fc\u30d6\u306b\u8ffd\u52a0\u3059\u308b\u3002\n\uff13\u3002mesh_code\u304c\u540c\u3058\u3067db_sec,dl_sec\u304c\u7570\u306a\u308b\u3082\u306e\u306fdb_sec,dl_sec\u306e\u5e73\u5747\u5024\u3067\u3042\u305f\u3089\u3057\u3044\u30c6\u30fc\u30d6\u306b\u8ffd\u52a0\u3059\u308b\u3002\n\n\uff1c\u4e0a\u8a18\u6761\u4ef6\u3092\u307e\u3068\u3081\u3066mesh_corrections_new\u3092\u4f5c\u6210\u3059\u308b<\/strong>\uff1e\nCREATE TABLE mesh_corrections_new AS\nSELECT\n    mesh_code,\n    AVG(db_sec) as db_sec,\n    AVG(dl_sec) as dl_sec,\n    1 as year_no\nFROM\n    mesh_corrections\nWHERE\n    year_no IN (1, 2)\nGROUP BY\n    mesh_code;\n\n\u30a8\u30e9\u30fc\u306a\u3057\u3067\u5b9f\u884c\u304c\u7d42\u4e86\u3057\u307e\u3057\u305f\u3002\n\u7d50\u679c: \u30af\u30a8\u30ea\u30fc\u306e\u5b9f\u884c\u306b\u6210\u529f\u3057\u307e\u3057\u305f\u3002 10ms \u304b\u304b\u308a\u307e\u3057\u305f\n1 \u884c\u76ee:\n\n\uff1c\u30de\u30fc\u30b8\u7d50\u679c\u306e\u30c7\u30fc\u30bf\u6570\u3092\u6c42\u3081\u308b<\/strong>\uff1e\nSELECT count(*)\nFROM mesh_corrections_new\nWHERE year_no =1;\n\n\u30a8\u30e9\u30fc\u306a\u3057\u3067\u5b9f\u884c\u304c\u7d42\u4e86\u3057\u307e\u3057\u305f\u3002\n\u7d50\u679c: 1 \u884c\u304c 16ms \u3067\u8fd4\u3055\u308c\u307e\u3057\u305f\n1 \u884c\u76ee:17220<\/strong><\/code><\/pre>\n\n\n\n
2-2.\u7d50\u679c\u306e\u691c\u8a3c<\/h3>\n\n\n\n
A.\u30c7\u30fc\u30bf\u6570\u691c\u8a3cOK<\/h5>\n\n\n\n
15347<\/strong>\uff0b2001<\/strong>–128<\/strong>=17220<\/strong><\/p>\n\n\n\n
B.\u91cd\u8907\u30e1\u30c3\u30b7\u30e5\u691c\u8a3cOK<\/h5>\n\n\n\n
\u30de\u30fc\u30b8\u524d<\/strong><\/p>\n\n\n\n
mesh_code<\/th>db_sec<\/th>dl_sec<\/th>year_no<\/th><\/tr><\/thead>
54367652<\/strong><\/td>-3.0e-05<\/strong><\/td>-0.00023<\/strong><\/td>1<\/td><\/tr>
54367652<\/td>-2.0e-05<\/strong><\/td>-0.00022<\/strong><\/td>2<\/td><\/tr>
54367662<\/strong><\/td>-3.0e-05<\/strong><\/td>-0.00026<\/strong><\/td>1<\/td><\/tr>
54367662<\/td>-2.0e-05<\/strong><\/td>-0.00025<\/strong><\/td>2<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\u30de\u30fc\u30b8\u5f8c<\/strong><\/p>\n\n\n\n
<\u91cd\u8907\u30e1\u30c3\u30b7\u30e5\u7d50\u679c\u3092\u691c\u8a3c\u3059\u308b<\/strong>>\nSELECT *\nFROM mesh_corrections_new\nWHERE mesh_code in (54367652,54367662);\n\n\u30a8\u30e9\u30fc\u306a\u3057\u3067\u5b9f\u884c\u304c\u7d42\u4e86\u3057\u307e\u3057\u305f\u3002\n\u7d50\u679c: 2 \u884c\u304c 15ms \u3067\u8fd4\u3055\u308c\u307e\u3057\u305f\n1 \u884c\u76ee:<\/code><\/pre>\n\n\n\n
mesh_code<\/th>db_sec<\/th>dl_sec<\/th>year_no<\/th><\/tr><\/thead>
54367652<\/td>-2.5e-05<\/td>-0.000225<\/td>1<\/td><\/tr>
54367662<\/td>-2.5e-05<\/td>-0.000255<\/td>1<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
C.\u91cd\u8907\u30e1\u30c3\u30b7\u30e5\u90e8\u5206\u306e\u7c21\u6613\u8aa4\u5dee\u8a08\u7b97\u7d50\u679c\u306f0.015cm<\/strong><\/h5>\n\n\n\n
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\u7d4c\u5ea6\u8aa4\u5dee<\/strong>=0.000005*30*100=0.000005*3000=0.005*3=0.015cm<\/strong>
RTK-GPS\u3067\u306e\u6e2c\u5b9a\u3067\u3082\uff12cm<\/strong>\u524d\u5f8c\u306e\u8aa4\u5dee\u304c\u3042\u308a\u3001GPS\u53d7\u4fe1\u6a5f\u5358\u4f53\u306a\u3089\u6570m<\/strong>\u306e\u8aa4\u5dee\u304c\u3042\u308b\u306e\u3067\u3001(54367652,54367662<\/strong>)\u30e1\u30c3\u30b7\u30e5\u5185\u306e\u4f4d\u7f6e\u8a08\u7b97\u7d50\u679c\u306b\u306f\u6b86\u3069\u5f71\u97ff\u306f\u7121\u3044\u3068\u3082\u8a00\u3048\u308b\u3002<\/p>\n\n\n\n
\uff13.jgdMearge2024.db\u306e\u66f4\u65b0<\/h2>\n\n\n\n
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<mesh_corrections_new<\/strong>\u306b\u30c7\u30fc\u30bf\u3092\u307e\u3068\u3081\u308b>\nINSERT INTO mesh_corrections_new (mesh_code, db_sec, dl_sec, year_no)\nSELECT mesh_code, db_sec, dl_sec, year_no\nFROM mesh_corrections\nWHERE year_no IN (0, 3);\n\n\u30a8\u30e9\u30fc\u306a\u3057\u3067\u5b9f\u884c\u304c\u7d42\u4e86\u3057\u307e\u3057\u305f\u3002\n\u7d50\u679c: \u30af\u30a8\u30ea\u30fc\u306e\u5b9f\u884c\u306b\u6210\u529f\u3057\u307e\u3057\u305f\u3002 12ms, 14398 \u884c\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u307e\u3057\u305f \u304b\u304b\u308a\u307e\u3057\u305f\n1 \u884c\u76ee:<\/code><\/pre>\n\n\n\n
<mesh_corrections_new<\/strong>\u30c6\u30fc\u30d6\u30eb\u304b\u3089year_no=1\u306e\u307f\u3092\u9078\u629e\u3057\u3066\u53ef\u8996\u5316\u3057\u305f\u7d50\u679c><\/p>\n\n\n\n
\"\"<\/figure>\n\n\n\n
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