直与平面的交角,angle between a line and a plane

1)angle between a line and a plane
直与平面的交角

2)angle between a line and a plane
直线与平面的交角

3)line and plane intersection
直线与平面相交
1.
A new method to judge the visibility for line and plane intersection is presented.
提出了可直接判断直线与平面相交时可见性的方法。


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4)angle between two planes
两平面的交角

5)right angle plane
直角平面
1.
A right angle plane reflector is added to the evacuated tube,surrounded by sunbeams to form a optimal absorbing system.
从利用太阳能为家庭提供开水的思路出发,研制出一种配有阳光环绕式直角平面反射器的玻璃真空管太阳热水/开水器。


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6)corner of intersection
(平面交叉等的) 转角部分


补充资料：V形相交纹
V形相交纹　　青铜器纹饰之一。以两“V”形相互交叉，作一颠一倒排列，尖角和四周饰以变云纹。盛行于战国时期。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。

直与平面的交角,angle between a line and a plane