{"id":7803,"date":"2020-04-15T12:51:57","date_gmt":"2020-04-15T04:51:57","guid":{"rendered":"https:\/\/www.zpz.cn\/blog\/?p=7803"},"modified":"2020-04-15T12:51:59","modified_gmt":"2020-04-15T04:51:59","slug":"%e5%8f%8c%e7%84%a6%e7%82%b9%e9%95%9c%e7%89%87%e7%9a%84%e7%a7%bb%e5%bf%83%ef%bc%9a%e5%ad%90%e9%95%9c%e7%89%87%e9%a1%b6%e7%82%b9%e5%9e%82%e7%9b%b4%e7%a7%bb%e5%bf%83%e9%87%8f%e7%9a%84%e8%ae%a1%e7%ae%97","status":"publish","type":"post","link":"https:\/\/zpz.cn\/blog\/7803","title":{"rendered":"\u53cc\u7126\u70b9\u955c\u7247\u7684\u79fb\u5fc3\uff1a\u5b50\u955c\u7247\u9876\u70b9\u5782\u76f4\u79fb\u5fc3\u91cf\u7684\u8ba1\u7b97"},"content":{"rendered":"\n<p>\u53cc\u7126\u70b9\u955c\u7247\u53c8\u79f0\u53cc\u5149\u955c\u7247(bifocal lens)\uff0c\u5b83\u662f\u4e00\u79cd\u5728\u540c\u4e00\u4e2a\u955c\u7247\u4e0a\u5177\u6709\u4e24\u4e2a\u4e0d\u540c\u7684\u7126\u70b9\uff0c\u5f62\u6210\u8fdc\u7528\u533a( distance zone)\u548c\u8fd1\u7528\u533a(near zone)\u4e24\u4e2a\u90e8\u5206\uff0c\u65e2\u80fd\u770b\u8fdc\u53c8\u80fd\u770b\u8fd1\uff0c\u9002\u5408\u8001\u89c6\u773c\u8005\u914d\u6234\u7684\u773c\u955c\u3002\u7528\u4e8e\u8fdc\u7528\u90e8\u5206\u7684\u955c\u7247\u79f0\u4e3a\u4e3b\u955c\u7247\uff0c\u5176\u5149\u5b66\u4e2d\u5fc3\u79f0\u4e3a\u8fdc\u7528\u5149\u5b66\u4e2d\u5fc3(distance optical cen-ter)\u3002\u7528\u4e8e\u8fd1\u7528\u90e8\u5206\u7684\u955c\u7247\u79f0\u4e3a\u5b50\u955c\u7247\uff0c\u5176\u5149\u5b66\u4e2d\u5fc3\u79f0\u4e3a\u8fd1\u7528\u5149\u5b66\u4e2d\u5fc3(near optical center)\u3002\u6839\u636e\u5236\u9020\u65b9\u6cd5\u53ef\u5206\u4e3a\u80f6\u5408\u53cc\u5149\u3001\u7194\u5408\u53cc\u5149\u548c\u6574\u4f53\u53cc\u5149\u7b49\u3002\u4ece\u5b50\u955c\u7247\u5916\u89c2\u5f62\u72b6\u4e0a\u5206\uff0c\u5e38\u89c1\u7684\u6709\u5706\u9876\u53cc\u5149(round top)\u548c\u5e73\u9876\u53cc\u5149(flat top)\u7b49\u3002<\/p>\n\n\n\n<p>\u53cc\u5149\u955c\u7247\u79fb\u5fc3\u91cf\u7684\u8ba1\u7b97\u4e0e\u5355\u5149\u955c\u7247\u79fb\u5fc3\u91cf\u7684\u8ba1\u7b97\u65b9\u6cd5\u57fa\u672c\u76f8\u540c\u3002\u4f46\u7531\u4e8e\u53cc\u5149\u955c\u7247\u662f\u5728\u540c\u4e00\u955c\u7247\u4e0a\u5177\u6709\u8fdc\u7528\u548c\u8fd1\u7528\u4e24\u4e2a\u90e8\u5206\u3002\u56e0\u6b64\uff0c\u53cc\u5149\u955c\u7247\u79fb\u5fc3\u91cf\u7684\u8ba1\u7b97\u4e3b\u8981\u662f\u5b50\u955c\u7247\u9876\u70b9\u6c34\u5e73\u79fb\u5fc3\u91cf\u548c\u5b50\u955c\u7247\u9876\u70b9\u5782\u76f4\u79fb\u5fc3\u91cf\u7684\u8ba1\u7b97\u3002<\/p>\n\n\n\n<p>\u4e0a\u8282\u4ecb\u7ecd\u4e86\u5b50\u955c\u7247\u9876\u70b9\u6c34\u5e73\u79fb\u5fc3\u91cf\u7684\u8ba1\u7b97\uff0c\u672c\u6587\u4e3b\u8981\u4ecb\u7ecd\u7684\u662f\u53cc\u7126\u70b9\u955c\u7247\u7684\u79fb\u5fc3\u4e4b\u5b50\u955c\u7247\u9876\u70b9\u5782\u76f4\u79fb\u5fc3\u91cf\u7684\u8ba1\u7b97\u3002<\/p>\n\n\n\n<p>\u5b50\u955c\u7247\u9876\u70b9\u5782\u76f4\u79fb\u5fc3\u91cf\u7684\u8ba1\u7b97<\/p>\n\n\n\n<p>\u5b50\u955c\u7247\u9876\u70b9\u5782\u76f4\u79fb\u5fc3\u91cf\u662f\u6307\u5b50\u955c\u7247\u9876\u70b9\u9ad8\u5ea6\u5728\u955c\u67b6\u5782\u76f4\u65b9\u5411\u76f8\u5bf9\u773c\u955c\u67b6\u6c34\u5e73\u4e2d\u5fc3\u7ebf\u7684\u79fb\u52a8\u91cf\uff0c\u79f0\u4e3a\u5b50\u955c\u7247\u9876\u70b9\u5782\u76f4\u79fb\u5fc3\u91cf\u3002\u5176\u8ba1\u7b97\u65b9\u6cd5\u53ef\u901a\u8fc7\u955c\u67b6\u6c34\u5e73\u4e2d\u5fc3\u7ebf\u9ad8\u5ea6\u4e0e\u5b50\u955c\u7247\u9876\u70b9\u9ad8\u5ea6\u4e4b\u5dee\u503c\u6765\u6c42\u5f97\u3002\u5199\u6210\u516c\u5f0f\u7684\u5f62\u5f0f\uff0c<\/p>\n\n\n\n<p>\u5373\uff1a Yn=H-h\/2<\/p>\n\n\n\n<p>\u5f0f\u4e2d\uff0cYn\u4e3a\u5b50\u955c\u7247\u9876\u70b9\u5782\u76f4\u79fb\u5fc3\u91cf\uff0cH\u4e3a\u5b50\u955c\u7247\u9876\u70b9\u9ad8\u5ea6\uff0ch\u4e3a\u955c\u5708\u5782\u76f4\u9ad8\u5ea6\u3002<\/p>\n\n\n\n<p>\u4e0b\u8282\u5c06\u4e3a\u5927\u5bb6\u4ecb\u7ecd\u53cc\u7126\u70b9\u955c\u7247\u7684\u79fb\u5fc3\u4e4b\u786e\u5b9a\u5b50\u955c\u7247\u9876\u70b9\u9ad8\u5ea6\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u53cc\u7126\u70b9\u955c\u7247\u53c8\u79f0\u53cc\u5149\u955c\u7247(bifocal lens)\uff0c\u5b83\u662f\u4e00\u79cd\u5728\u540c\u4e00\u4e2a\u955c\u7247\u4e0a\u5177\u6709\u4e24&#8230; <a href=\"https:\/\/zpz.cn\/blog\/7803\" class=\"readmore\">Read more<span class=\"screen-reader-text\">\u53cc\u7126\u70b9\u955c\u7247\u7684\u79fb\u5fc3\uff1a\u5b50\u955c\u7247\u9876\u70b9\u5782\u76f4\u79fb\u5fc3\u91cf\u7684\u8ba1\u7b97<\/span><span class=\"fa fa-angle-double-right\" aria-hidden=\"true\"><\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-7803","post","type-post","status-publish","format-standard","hentry","category-peijing","content-layout-excerpt-thumb"],"_links":{"self":[{"href":"https:\/\/zpz.cn\/blog\/wp-json\/wp\/v2\/posts\/7803"}],"collection":[{"href":"https:\/\/zpz.cn\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/zpz.cn\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/zpz.cn\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/zpz.cn\/blog\/wp-json\/wp\/v2\/comments?post=7803"}],"version-history":[{"count":1,"href":"https:\/\/zpz.cn\/blog\/wp-json\/wp\/v2\/posts\/7803\/revisions"}],"predecessor-version":[{"id":7804,"href":"https:\/\/zpz.cn\/blog\/wp-json\/wp\/v2\/posts\/7803\/revisions\/7804"}],"wp:attachment":[{"href":"https:\/\/zpz.cn\/blog\/wp-json\/wp\/v2\/media?parent=7803"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/zpz.cn\/blog\/wp-json\/wp\/v2\/categories?post=7803"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/zpz.cn\/blog\/wp-json\/wp\/v2\/tags?post=7803"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}