英 [ˈraɪt æŋɡl] 美 [raɪt ˈæŋɡl]
直角：指一个角度为90°的角。
right angle //
可数名词 A right angle is an angle of ninety degrees. A square has four right angles. 直角
习语 If two things are at right angles, they are situated so that they form an angle of 90° where they touch each other. You can also say that one thing is at right angles to another. 成直角地
...two lasers at right angles.
…两束成直角的激光。
the 90 degree angle between two perpendicular lines
a quarter of the circumference of a circle
同义词： quadrant
直角-引用次数：3
37 cases were treated with oscillating saw in A group;39 cases were treated with right angle bur in B group . All cases were performed through intraoral approach.
A组37例，全部应用传统的摆动锯进行下颌角截骨术；B组39例，全部应用直角钻打孔法截骨，即在下颌角的预设截骨线上打一排全层穿通的小孔，然后用骨凿凿下要切除的下颌骨。
参考来源口内入路应用直角钻打孔法截骨和摆动锯截骨矫治下颌角肥大的比较研究—《中国美容医学》—2008年第10期—龙源期刊网
直角-引用次数：1
参考来源关于平面区域单叶性内径的讨论
直角
直角
脚踝务必屈成直角(Right angle)，跟腱务必伸直(Straight)，依旧这个状貌少焉，然后复原成两腿上举样子，再缓缓做这个(This)作为。一再15-20次。
... 产品类型 Plugs 外壳类型 Right Angle 触点类型 Pin (Male) ...
... 电压驻波比 VSWR 直式 Straight 弯式 Right angle 耐用性 Durability(mating) ...
... 安装风格: PCB 方向: Right Angle 触点电镀: Gold ...
The ball skewed off at a right angle.
球呈直角偏离弹了出去。
A right Angle is an Angle of 90 degrees.
直角为90度。
In order to describe human beings, he should keep the palm of his hand at a right angle to the floor.
为了描述人类，他应该保持手掌与地面成直角。
Another way to represent a point in a plane is I've got a radius and I've got an angle from the x-axis, right, and that's a standard thing you might do.
平面上面的点的方法,也就是极坐标,上面那种方法其实是，如果你们喜欢我这么说的话,笛卡尔坐标表示法。
计算机科学及编程导论课程节选 : 麻省理工公开课
So this is giving me now that template, better way of saying it, all right, a template now, for a point is x, y, radius, angle.
其他的方法来进行计算，但是这就是典型的我，要放置它们的地方，因此这就给了我一个模板。
计算机科学及编程导论课程节选 : 麻省理工公开课
Everybody moves to the right, these guys move to the right, those guys move to the right and they're smacking each other at something like that angle.
每个人都转向右边,这些人转向右边,那些人也转向右边并相互击打,大概就是以这样的角度
古希腊历史简介课程节选 : 耶鲁公开课
The pattern being traced out in gold is known as the right angle triangle.
He made a turn into a street at a right angle to the one we were on.
You can promote anything if you come at it from the right angle.