{"id":93843,"date":"2025-08-18T20:04:28","date_gmt":"2025-08-18T11:04:28","guid":{"rendered":"https:\/\/adtechmanagement.com\/minnadepr-column\/?p=93843"},"modified":"2025-08-18T20:04:49","modified_gmt":"2025-08-18T11:04:49","slug":"diameter-meaning","status":"publish","type":"post","link":"https:\/\/adtechmanagement.com\/minnadepr-column\/2025\/08\/18\/diameter-meaning\/","title":{"rendered":"\u76f4\u5f84\u3068\u306f\uff1f\u610f\u5473\u3084\u8a08\u7b97\u65b9\u6cd5\u3001\u8eab\u8fd1\u306a\u4f8b\u3092\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac"},"content":{"rendered":"

\u76f4\u5f84\u306f\u5186\u3084\u7403\u4f53\u3092\u7406\u89e3\u3059\u308b\u4e0a\u3067\u57fa\u672c\u3068\u306a\u308b\u91cd\u8981\u306a\u6982\u5ff5\u3067\u3059\u3002\u65e5\u5e38\u751f\u6d3b\u3084\u79d1\u5b66\u3001\u5de5\u5b66\u306e\u5206\u91ce\u3067\u983b\u7e41\u306b\u4f7f\u308f\u308c\u308b\u76f4\u5f84\u306e\u610f\u5473\u3084\u8a08\u7b97\u65b9\u6cd5\u3001\u5b9f\u969b\u306e\u4f8b\u3092\u901a\u3057\u3066\u8a73\u3057\u304f\u89e3\u8aac\u3057\u307e\u3059\u3002\u76f4\u5f84\u306e\u6b63\u3057\u3044\u7406\u89e3\u306f\u69d8\u3005\u306a\u5834\u9762\u3067\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n

1. \u76f4\u5f84\u306e\u57fa\u672c\u7684\u306a\u610f\u5473\u3068\u5b9a\u7fa9<\/h2>\n

1.1 \u76f4\u5f84\u3068\u306f\u4f55\u304b<\/h3>\n

\u76f4\u5f84\u3068\u306f\u3001\u5186\u3084\u7403\u306e\u4e2d\u5fc3\u3092\u901a\u308a\u3001\u305d\u306e\u7aef\u304b\u3089\u7aef\u307e\u3067\u3092\u7d50\u3076\u7dda\u5206\u306e\u9577\u3055\u3092\u6307\u3057\u307e\u3059\u3002\u82f1\u8a9e\u3067\u306f\u300cdiameter\u300d\u3068\u547c\u3070\u308c\u3001\u8a18\u53f7\u3067\u306f\u4e00\u822c\u7684\u306b\u300cd\u300d\u3068\u8868\u3055\u308c\u307e\u3059\u3002<\/p>\n

1.2 \u76f4\u5f84\u3068\u534a\u5f84\u306e\u95a2\u4fc2<\/h3>\n

\u76f4\u5f84\u306f\u534a\u5f84\u306e2\u500d\u306e\u9577\u3055\u3067\u3059\u3002\u534a\u5f84\u306f\u4e2d\u5fc3\u304b\u3089\u5186\u5468\u307e\u3067\u306e\u8ddd\u96e2\u306a\u306e\u3067\u3001\u76f4\u5f84\u306f\u5186\u306e\u4e00\u756a\u9577\u3044\u8ddd\u96e2\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n

1.3 \u76f4\u5f84\u306e\u6570\u5b66\u7684\u5b9a\u7fa9<\/h3>\n

\u6570\u5b66\u7684\u306b\u306f\u3001\u5186\u306e\u4e2d\u5fc3\u3092\u901a\u308b\u4efb\u610f\u306e2\u70b9\u9593\u306e\u8ddd\u96e2\u306e\u6700\u5927\u5024\u304c\u76f4\u5f84\u3067\u3059\u3002\u3053\u306e\u305f\u3081\u3001\u76f4\u5f84\u306f\u4e00\u5b9a\u306e\u9577\u3055\u3092\u6301\u3064\u552f\u4e00\u306e\u7dda\u5206\u3067\u3059\u3002<\/p>\n

2. \u76f4\u5f84\u306e\u8a08\u7b97\u65b9\u6cd5<\/h2>\n

2.1 \u534a\u5f84\u304b\u3089\u76f4\u5f84\u3092\u6c42\u3081\u308b<\/h3>\n

\u8a08\u7b97\u5f0f\u306f\u7c21\u5358\u3067\u3001
\n\u76f4\u5f84 d = 2 \u00d7 \u534a\u5f84 r
\n\u3068\u306a\u308a\u307e\u3059\u3002\u4f8b\u3048\u3070\u534a\u5f84\u304c5cm\u306a\u3089\u76f4\u5f84\u306f10cm\u3067\u3059\u3002<\/p>\n

2.2 \u5186\u5468\u304b\u3089\u76f4\u5f84\u3092\u6c42\u3081\u308b<\/h3>\n

\u5186\u5468\u306e\u9577\u3055\u304c\u5206\u304b\u3063\u3066\u3044\u308b\u5834\u5408\u306f\u3001
\n\u76f4\u5f84 d = \u5186\u5468 C \u00f7 \u03c0
\n\u3092\u4f7f\u3063\u3066\u8a08\u7b97\u3057\u307e\u3059\u3002\u3053\u3053\u3067\u03c0\u306f\u7d043.14159\u3067\u3059\u3002<\/p>\n

2.3 \u9762\u7a4d\u304b\u3089\u76f4\u5f84\u3092\u6c42\u3081\u308b<\/h3>\n

\u5186\u306e\u9762\u7a4dA\u304c\u5206\u304b\u3063\u3066\u3044\u308b\u5834\u5408\u306f\u3001
\n\u76f4\u5f84 d = 2 \u00d7 \u221a(A \u00f7 \u03c0)
\n\u3067\u76f4\u5f84\u3092\u7b97\u51fa\u3067\u304d\u307e\u3059\u3002<\/p>\n

3. \u76f4\u5f84\u306e\u5358\u4f4d\u3068\u5b9f\u751f\u6d3b\u3067\u306e\u4f7f\u3044\u65b9<\/h2>\n

3.1 \u76f4\u5f84\u306e\u5358\u4f4d\u306b\u3064\u3044\u3066<\/h3>\n

\u76f4\u5f84\u306f\u9577\u3055\u306e\u5358\u4f4d\u3067\u8868\u3055\u308c\u3001\u30e1\u30fc\u30c8\u30eb\uff08m\uff09\u3001\u30bb\u30f3\u30c1\u30e1\u30fc\u30c8\u30eb\uff08cm\uff09\u3001\u30df\u30ea\u30e1\u30fc\u30c8\u30eb\uff08mm\uff09\u306a\u3069\u304c\u4f7f\u308f\u308c\u307e\u3059\u3002\u7528\u9014\u306b\u3088\u308a\u9069\u5207\u306a\u5358\u4f4d\u3092\u9078\u629e\u3057\u307e\u3059\u3002<\/p>\n

3.2 \u65e5\u5e38\u751f\u6d3b\u3067\u306e\u76f4\u5f84\u306e\u4f8b<\/h3>\n

\u30b3\u30a4\u30f3\u306e\u76f4\u5f84\u3001\u304a\u76bf\u3084\u934b\u306e\u76f4\u5f84\u3001\u8eca\u306e\u30bf\u30a4\u30e4\u306e\u76f4\u5f84\u306a\u3069\u3001\u79c1\u305f\u3061\u306e\u8eab\u306e\u56de\u308a\u306b\u306f\u76f4\u5f84\u3067\u8868\u3055\u308c\u308b\u3082\u306e\u304c\u591a\u304f\u3042\u308a\u307e\u3059\u3002<\/p>\n

3.3 \u5de5\u696d\u5206\u91ce\u3067\u306e\u76f4\u5f84\u306e\u91cd\u8981\u6027<\/h3>\n

\u30d1\u30a4\u30d7\u306e\u76f4\u5f84\u3084\u306d\u3058\u306e\u76f4\u5f84\u3001\u6a5f\u68b0\u90e8\u54c1\u306e\u5bf8\u6cd5\u6307\u5b9a\u306a\u3069\u3001\u7cbe\u5bc6\u306a\u5bf8\u6cd5\u7ba1\u7406\u306b\u76f4\u5f84\u306e\u8a08\u6e2c\u306f\u6b20\u304b\u305b\u307e\u305b\u3093\u3002<\/p>\n

4. \u76f4\u5f84\u306b\u95a2\u3059\u308b\u3088\u304f\u3042\u308b\u7591\u554f<\/h2>\n

4.1 \u76f4\u5f84\u3068\u534a\u5f84\u306e\u9055\u3044\u306f\u4f55\u304b\uff1f<\/h3>\n

\u534a\u5f84\u306f\u4e2d\u5fc3\u304b\u3089\u5186\u5468\u307e\u3067\u306e\u8ddd\u96e2\u3001\u76f4\u5f84\u306f\u5186\u306e\u4e2d\u5fc3\u3092\u901a\u308b\u7dda\u3067\u3001\u7aef\u304b\u3089\u7aef\u307e\u3067\u306e\u8ddd\u96e2\u3067\u3059\u3002\u76f4\u5f84\u306f\u5e38\u306b\u534a\u5f84\u306e2\u500d\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n

4.2 \u76f4\u5f84\u306f\u3069\u3053\u3067\u4f7f\u308f\u308c\u308b\u304b\uff1f<\/h3>\n

\u6570\u5b66\u3001\u7269\u7406\u3001\u5de5\u5b66\u306f\u3082\u3061\u308d\u3093\u3001\u65e5\u5e38\u751f\u6d3b\u306e\u69d8\u3005\u306a\u8a08\u6e2c\u5834\u9762\u3067\u7528\u3044\u3089\u308c\u307e\u3059\u3002\u5efa\u7bc9\u3084\u30c7\u30b6\u30a4\u30f3\u3067\u3082\u91cd\u8981\u306a\u6982\u5ff5\u3067\u3059\u3002<\/p>\n

4.3 \u76f4\u5f84\u306e\u8a08\u6e2c\u65b9\u6cd5\u306f\uff1f<\/h3>\n

\u5b9a\u898f\u3084\u30ce\u30ae\u30b9\u306a\u3069\u306e\u8a08\u6e2c\u5668\u3092\u4f7f\u3063\u3066\u3001\u5186\u306e\u7aef\u304b\u3089\u7aef\u307e\u3067\u306e\u8ddd\u96e2\u3092\u6e2c\u308a\u307e\u3059\u3002\u5186\u306e\u4e2d\u5fc3\u3092\u901a\u308b\u3053\u3068\u304c\u6b63\u78ba\u306a\u8a08\u6e2c\u306e\u30dd\u30a4\u30f3\u30c8\u3067\u3059\u3002<\/p>\n

5. \u76f4\u5f84\u306b\u307e\u3064\u308f\u308b\u6570\u5b66\u7684\u5fdc\u7528<\/h2>\n

5.1 \u5186\u306e\u6027\u8cea\u3068\u76f4\u5f84\u306e\u5f79\u5272<\/h3>\n

\u5186\u306e\u5bfe\u79f0\u6027\u306f\u76f4\u5f84\u306b\u3088\u3063\u3066\u793a\u3055\u308c\u3001\u76f4\u5f84\u306f\u5186\u30922\u3064\u306e\u534a\u5186\u306b\u5206\u3051\u307e\u3059\u3002\u3053\u308c\u306f\u5e7e\u4f55\u5b66\u306e\u57fa\u672c\u7684\u306a\u6982\u5ff5\u3067\u3059\u3002<\/p>\n

5.2 \u5186\u5468\u7387\u03c0\u3068\u76f4\u5f84\u306e\u95a2\u4fc2<\/h3>\n

\u5186\u5468\u7387\u03c0\u306f\u5186\u5468\u3068\u76f4\u5f84\u306e\u6bd4\u3067\u3042\u308a\u3001
\n\u03c0 = \u5186\u5468 \u00f7 \u76f4\u5f84
\n\u3053\u306e\u95a2\u4fc2\u306f\u5186\u306e\u8a08\u7b97\u306b\u4e0d\u53ef\u6b20\u3067\u3059\u3002<\/p>\n

5.3 \u7403\u306e\u76f4\u5f84\u3068\u4f53\u7a4d\u30fb\u8868\u9762\u7a4d\u306e\u8a08\u7b97<\/h3>\n

\u7403\u306e\u5834\u5408\u3082\u76f4\u5f84\u306f\u91cd\u8981\u3067\u3001\u4f53\u7a4d\u3084\u8868\u9762\u7a4d\u306e\u8a08\u7b97\u5f0f\u306b\u76f4\u5f84\u3092\u7528\u3044\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002
\n\u4f53\u7a4d V = (4\/3)\u03c0 (d\/2)^3
\n\u8868\u9762\u7a4d S = 4\u03c0 (d\/2)^2<\/p>\n

6. \u307e\u3068\u3081\uff1a\u76f4\u5f84\u306e\u7406\u89e3\u3092\u6df1\u3081\u308b\u3053\u3068\u3067\u5e83\u304c\u308b\u5fdc\u7528\u529b<\/h2>\n

\u76f4\u5f84\u306f\u5358\u306a\u308b\u9577\u3055\u306e\u4e00\u3064\u3067\u306f\u306a\u304f\u3001\u5186\u3084\u7403\u306e\u6027\u8cea\u3092\u7406\u89e3\u3059\u308b\u305f\u3081\u306e\u57fa\u672c\u7684\u306a\u8981\u7d20\u3067\u3059\u3002\u8a08\u7b97\u65b9\u6cd5\u3084\u65e5\u5e38\u751f\u6d3b\u3067\u306e\u6d3b\u7528\u4f8b\u3092\u77e5\u308b\u3053\u3068\u3067\u3001\u6570\u5b66\u7684\u77e5\u8b58\u3084\u5b9f\u52d9\u7684\u306a\u30b9\u30ad\u30eb\u3092\u9ad8\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4eca\u5f8c\u3082\u3055\u307e\u3056\u307e\u306a\u5834\u9762\u3067\u5f79\u7acb\u3064\u76f4\u5f84\u306e\u7406\u89e3\u3092\u6df1\u3081\u307e\u3057\u3087\u3046\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u76f4\u5f84\u306f\u5186\u3084\u7403\u4f53\u3092\u7406\u89e3\u3059\u308b\u4e0a\u3067\u57fa\u672c\u3068\u306a\u308b\u91cd\u8981\u306a\u6982\u5ff5\u3067\u3059\u3002\u65e5\u5e38\u751f\u6d3b\u3084\u79d1\u5b66\u3001\u5de5\u5b66\u306e\u5206\u91ce\u3067\u983b\u7e41\u306b\u4f7f\u308f\u308c\u308b\u76f4\u5f84\u306e\u610f\u5473\u3084\u8a08\u7b97\u65b9\u6cd5\u3001\u5b9f\u969b\u306e\u4f8b\u3092\u901a\u3057\u3066\u8a73\u3057\u304f\u89e3\u8aac\u3057\u307e\u3059\u3002\u76f4\u5f84\u306e\u6b63\u3057\u3044\u7406\u89e3\u306f\u69d8\u3005\u306a\u5834\u9762\u3067\u5f79\u7acb\u3061\u307e\u3059\u3002 1. \u76f4\u5f84\u306e\u57fa\u672c\u7684\u306a\u610f\u5473\u3068\u5b9a\u7fa9 1.1 \u76f4\u5f84\u2026<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"spay_email":"","footnotes":""},"categories":[33],"tags":[],"class_list":["post-93843","post","type-post","status-publish","format-standard","hentry","category-business"],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/adtechmanagement.com\/minnadepr-column\/wp-json\/wp\/v2\/posts\/93843","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/adtechmanagement.com\/minnadepr-column\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/adtechmanagement.com\/minnadepr-column\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/adtechmanagement.com\/minnadepr-column\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/adtechmanagement.com\/minnadepr-column\/wp-json\/wp\/v2\/comments?post=93843"}],"version-history":[{"count":1,"href":"https:\/\/adtechmanagement.com\/minnadepr-column\/wp-json\/wp\/v2\/posts\/93843\/revisions"}],"predecessor-version":[{"id":93844,"href":"https:\/\/adtechmanagement.com\/minnadepr-column\/wp-json\/wp\/v2\/posts\/93843\/revisions\/93844"}],"wp:attachment":[{"href":"https:\/\/adtechmanagement.com\/minnadepr-column\/wp-json\/wp\/v2\/media?parent=93843"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/adtechmanagement.com\/minnadepr-column\/wp-json\/wp\/v2\/categories?post=93843"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/adtechmanagement.com\/minnadepr-column\/wp-json\/wp\/v2\/tags?post=93843"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}