55世纪

6PINGFANGGUANGFUDIANBANJIEDIXIAN-6MMGUANGFUDIANBANJIEDIXIAN CAIYONGBVRHUANGLVSHUANGSEGUOBIAOXIANZHIZUO，MORENKONGJING5MM LIANGDAJIAYOU，KEDINGZHIRENYIKONGJINGHEZHANGDU，QINGYONGHUFANGXINDINGGOU，JIAOQIXIADANHOUYIBAN5WANTIAO3TIANNEI，10WANTIAO5TIANNEI，20WANTIAO10TIANNEI，XIAOPILIANGDINGDANDANGTIANXIADANCIRIFAHUO，ZHOURIHEJIEJIARISHUNYAN。DINGHUOQIANQINGJICHUJUTICHICUNGUIGE（RUSUOXUDEXIANJIEMIANJI？ZHANGDU ？DUANZIKONGJINGDAXIAO？DUANZIYAJIECHUSHIFOUDAIHUTAO？YIFANGBIANWOMENBAOJIA）

4PINGFANGGUANGFUDIANBANJIEDIXIAN-4MMGUANGFUDIANBANJIEDIXIAN BENGONGSICHENGJIEGEZHONGGUIGEJIAGONGDINGZUO，ZHUANYEXIANSHUJIAGONGDINGZHI。 BENGONGSIRENYIDIANLANPINGFANGDAXIAO，ZHANGDUAN，CAIJIAN，BOXIAN，YATOU。

2.5PINGFANGGUANGFUDIANBANJIEDIXIAN-2.5MMGUANGFUDIANBANJIEDIXIAN GENGHAODERANGMEIYIWEIYONGHUJINXINGSHOUDAOHUOHOUJINXINGZIJIANCHANPINDEZHILIANGSHIFOUCHUXIANQUEFANGXIANXIANG，WOMENTIGONGYIXIADIANXIANJIEMIANJIPINGFANGSHUJISUANFANGSHI

GUANGFUDIANBANJIEDIXIAN GUANGFUDIANBANJIEDIXIANCHANGJIA GENGHAODERANGMEIYIWEIYONGHUJINXINGSHOUDAOHUOHOUJINXINGZIJIANCHANPINDEZHILIANGSHIFOUCHUXIANQUEFANGXIANXIANG，WOMENTIGONGYIXIADIANXIANJIEMIANJIPINGFANGSHUJISUANFANGSHI

1*6GUANGFUDIANBANJIEDIXIAN GUANGFUDIANBANJIEDIXIANJIAGE GENGHAODERANGMEIYIWEIYONGHUJINXINGSHOUDAOHUOHOUJINXINGZIJIANCHANPINDEZHILIANGSHIFOUCHUXIANQUEFANGXIANXIANG，WOMENTIGONGYIXIADIANXIANJIEMIANJIPINGFANGSHUJISUANFANGSHI DANSIJIEMIANCELIANGGONGSHIs=π（d/2）2 ZHENGGENJIEDIXIANJIEMIANJI：S=s*19，TONGCHANGYOU19GENTONGSIJIAOXIANERCHENG YUANZHOULV：π（SHUZHIWEI3.1415926ZHI3.1415927ZHIJIAN……WUXIANBUXUNHUANXIAOSHU），TONGCHANGCAIYONG3.14ZUOWEIπDESHUZHI

1*4GUANGFUDIANBANJIEDIXIAN GUANGFUDIANBANJIEDIXIANCHANGJIA BENGONGSICHENGJIEGEZHONGGUIGEJIAGONGDINGZUO，ZHUANYEXIANSHUJIAGONGDINGZHI。 BENGONGSIRENYIDIANLANPINGFANGDAXIAO，ZHANGDUAN，CAIJIAN，BOXIAN，YATOU。 BENGONGSIDIANPUCHENGNUOSHIYONGDEDIANLANJUNWEI100%CHUNTONGGUOBIAODIANLAN。 BENGONGSISHISHITIJINGYINGDANWEI——ZHICHISHANGMENGOUMAI，KEKAI17%ZENGPIAO，PUTONGJIDAPIAODENG。