天气预报15天查询> 其他> 圆柱有几条高

圆柱有几条高

更新时间: 2020-10-28 00:00:00     

圆柱有无数条高,圆柱上下两个底面之间的距离,叫做圆柱的高。因为圆柱的底面是两个完全相同的圆,而圆上有无数个点,一个点对应有一条高,所以圆柱有无数条。

圆柱是由两个大小相等、相互平行的圆形(底面)以及连接两个底面的一个曲面(侧面)围成的几何体。当圆柱的轴与圆柱的底面垂直时,称该圆柱为直圆柱;当圆柱的轴与圆柱底面不垂直时,称该圆柱为斜圆柱。

关键词: 圆柱

如有意见、反馈、侵权或投诉等情况,请联系:

电话:
邮箱:

我们将会在48小时内给与处理!

版权所有 Copyright ? 2009-2020 tianqiyubao3.com

页面:/news/view-2854343/ | 耗时:0.7802 s | 内存:1.89 MB | 查询:4 | 缓存读取:4 写入:0 | 加载文件:23
select * from tbl_Articles WHERE ArticleID=2854343 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=2854343 LIMIT 0,1
select * from tbl_Articles_sphinx where id=2854343 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1094511,1125586,1072577,2241985,1129785,1060355,1121580,1095646,1325407,1073678,1129755,1105569,1069799,3041173,1101413,1277661,1101665,1405729,1131933,1126482,1370914,1308372,1129153,1126740,1108365,1058147,1128675,1132269,2480047,1061554) ORDER BY field (ArticleID,1094511,1125586,1072577,2241985,1129785,1060355,1121580,1095646,1325407,1073678,1129755,1105569,1069799,3041173,1101413,1277661,1101665,1405729,1131933,1126482,1370914,1308372,1129153,1126740,1108365,1058147,1128675,1132269,2480047,1061554)