{"published":"2008-02-07 00:00:00","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fita.hatenadiary.jp%2Fentry%2F20080207%2Fp1\" title=\" \u53ef\u5c55\u9762\u4f5c\u6210\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0 - ita\u2019s diary\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","author_name":"ita","description":"\u53ef\u5c55\u9762\uff08\u304b\u3066\u3093\u3081\u3093\u3001developable surface\uff09\u3068\u306f\u3001\u4f38\u7e2e\u3059\u308b\u3053\u3068\u306a\u3057\u306b\u5e73\u9762\u306b\u5c55\u958b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u8a08\u91cf\u3092\u6301\u3064\u66f2\u9762\u3067\u3042\u308b\u3002\u9006\u306e\u8a00\u3044\u65b9\u3092\u3059\u308c\u3070\u3001\u5e73\u9762\u3092\u66f2\u3052\u305f\u308a\u5207\u3063\u305f\u308a\u4e38\u3081\u305f\u308a\u3064\u306a\u3052\u305f\u308a\u3059\u308b\u3053\u3068\u3067\u4f5c\u308b\u3053\u3068\u306e\u3067\u304d\u308b\u66f2\u9762\u3067\u3042\u308b\u3002\u6ed1\u3089\u304b\u3067\u306a\u3044(\u6298\u308a\u3092\u542b\u3080)\u66f2\u9762\u306f\u53ef\u5c55\u9762\u3068\u3057\u3066\u6271\u308f\u306a\u3044\u3053\u3068\u304c\u591a\u3044\u3002 (\u4e2d\u7565) \u5e73\u9762\u3092\u66f2\u3052\u308b\u3053\u3068\u3067\u5f62\u6210\u3067\u304d\u308b\u3068\u3044\u3046\u7279\u5fb4\u306f\u3001\u91d1\u5c5e\u677f\u3001\u6bb5\u30dc\u30fc\u30eb\u3001\u5408\u677f\u306a\u3069\u304b\u3089\u69cb\u9020\u7269\u3092\u88fd\u9020\u3059\u308b\u4e0a\u3067\u3082\u91cd\u8981\u3067\u3042\u308b\u3002\u53ef\u5c55\u9762\u306f\u9020\u8239\u306b\u304a\u3044\u3066\u7279\u306b\u6d3b\u7528\u3055\u308c\u3066\u3044\u308b\u3002 http://ja.wikipedia.org/wiki/%E5%8F%AF%E5%B1%95%E9%9D%A2 \u3053\u3046\u3044\u3046\u30c4\u30fc\u30eb\u3092\u767a\u898b\u3002 http\u2026","type":"rich","categories":["\u7406\u7cfb\u30cd\u30bf","\u7d19\u5de5\u4f5c"],"height":"190","provider_url":"https://hatena.blog","width":"100%","url":"https://ita.hatenadiary.jp/entry/20080207/p1","version":"1.0","title":" \u53ef\u5c55\u9762\u4f5c\u6210\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/i/ita/20080209/20080209104736.png","author_url":"https://blog.hatena.ne.jp/ita/","blog_title":"ita\u2019s diary","provider_name":"Hatena Blog","blog_url":"https://ita.hatenadiary.jp/"}