天气预报 > 其他 > 立体几何如何画两平面交线
立体几何如何画两平面交线
更新时间: 2020-09-25 00:00:00  

由公理得,两平面的交线为一条直线,而两点确定一条直线。所以需要找到两个不平行的平面的两个相异公共点,其所在直线就是两个平面的交线。做法:

找到两个平面的两个相异公共点。连结并延长两个点,即为两平面交线。

关键词: 立体几何 如何 面交

立体几何如何画两平面交线相关经验

天气预报

最新推荐

页面:/news/view-3302362/ | 耗时:1.0001 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=3302362 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=3302362 LIMIT 0,1
select * from tbl_Articles_sphinx where id=3302362 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1085008,2973121,541213,607141,694525,845027,1085102,1088774,2962104,2504436,674400,1083103,1051075,879502,1090537,1127319,664871,3155460,1930386,538447,1724494,2319967,1822536,2726838,357884,1097245,3002858,1132487,1057607,2397138) ORDER BY field (ArticleID,1085008,2973121,541213,607141,694525,845027,1085102,1088774,2962104,2504436,674400,1083103,1051075,879502,1090537,1127319,664871,3155460,1930386,538447,1724494,2319967,1822536,2726838,357884,1097245,3002858,1132487,1057607,2397138)