Analyzing on being right angle of space plane angles projection;
投影成直角的空间平面角再分析
The metal of the right angle isnt enough used of hot rolled equal and unequal angle steel Mean while,the right angle is easy producing stress concentration and difficult rolling Therefore,the section of angle steel was optimized,and a new section of round arc angle steel is put forward,which can be easily rolled,used and saved metal material over 5
热轧等边、不等边角钢直角处金属未被充分利用 ,易产生应力集中 ,且轧制难度大 ,因而对其断面进行了优化设计 ,提出一种新型圆弧角钢 ,其轧制容易 ,使用方便 ,可节约金属材料 5 %以
the side of a right triangle opposite the right angle.
直角三角形的相对于直角的边。
an angle that is not a right angle or a multiple of a right angle.
一个不是直角也不是直角的倍数的角。
Involving a perpendicular or rightangle relationship.
指垂直或直角关系。
An angle of 90°is called a right angle.
九十度角称为直角。
flat square
平面直角,[港]平面方角
a triangle with one right angle.
有一个直角的三角形。
The corners of a room are square.
屋子的墙角是直角。
die C tear strength
撕裂强度（直角形）
Let ∠ABC be an angle of ninety degrees.
假设 ∠ABC 为直角。
off-set die head
直角机头(压出机)
straddled double rear vault
分腿直角转体180°
DA triangle with one90° angle is a right triangle.
一个角为90°的三角形是直角三角形。
The hypotenuse is the longest side of a right triangle.
直角三角形的斜边是直角三角形中最长的边。
having four equal sides and four right angles or forming a right angle.
有四等边四直角的或构成一个直角。
forming a right angle or containing one or more right angles.
构成一个直角或包含一个或多个直角。
double rear vault
摆越两杠直角上或直角下
surmounted pediment
顶端角度小于直角的三角墙
The reciprocal of the tangent of an angle in a right triangle.
余切直角三角形中角的正切的倒数