天气预报 > 其他 > 什么是柱体圆锥是柱体吗
什么是柱体圆锥是柱体吗
更新时间: 2020-10-12 00:00:00  

柱体,可分为圆柱和棱柱。是一个多面体有两个面互相平行且大小相同,余下的每个相邻两个面的交线互相平行,这样的多面体就为柱;另外,柱体还可分为正柱体,斜柱体。

圆锥不是柱体,以直角三角形的直角边所在直线为旋转轴,其余两边旋转而成的曲面所围成的几何体叫做圆锥。圆锥属于椎体。

关键词: 什么 圆锥

什么是柱体圆锥是柱体吗相关经验

天气预报

最新推荐

页面:/news/view-167588/ | 耗时:0.7226 s | 内存:2.11 MB | 查询:4 | 缓存读取:3 写入:0 | 加载文件:25
select * from tbl_Articles WHERE ArticleID=167588 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=167588 LIMIT 0,1
select * from tbl_Articles_sphinx where id=167588 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1101935,1077074,1118040,1101587,1088870,1053786,1104745,1110608,1067397,1100211,1087351,990830,1070922,1060887,1105261,1085480,1068880,1106663,1062999,1079429,1010909,1056514,1058463,1060645,1057607,1045643,1083341,1072093,998502,1114352) ORDER BY field (ArticleID,1101935,1077074,1118040,1101587,1088870,1053786,1104745,1110608,1067397,1100211,1087351,990830,1070922,1060887,1105261,1085480,1068880,1106663,1062999,1079429,1010909,1056514,1058463,1060645,1057607,1045643,1083341,1072093,998502,1114352)