Mathematics on the corner there is an obtuse, straight Angle, acute Angle, right Angle, the students, what Angle ah?

数学上的角有钝角，平角，锐角，直角，同学们，还有什么角啊？

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In order to improve the reliability of the cell, means of constructing the cell based on right angle prism and the corner cube are proposed.

为改善吸收池的长期可靠性，提出了基于直角棱镜和角反射镜构造传感器吸收池的方法。

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The effects on straightness measurement are analyzed for the cube-corner retroreflector with angle errors, surface errors, yaw, pitch and roll.

分析了角锥棱镜的制造角差、面形误差和测量过程中角锥棱镜的偏摆、俯仰、滚转对直线度测量的影响。

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Bishop also stopped Aucoin, who scored New York's first goal, on a sharp-angle shot from the left corner late in the third.

WSJ: Senators score 4 in 3rd, rally past Islanders

Fabianski again needed to be at his best to deny Silva from a tight angle, but from then on it was all Arsenal and Song swept into the top corner following a period of sustained pressure.

BBC: Man City 0-3 Arsenal

When your Android phone (the app is not yet available on iTunes) is held at a safe viewing angle, a green light shines in the top left corner.

CNN: Your smartphone is a pain in the neck