Line A crosses line B at right angles.

A线与B线成相。

Streets usually intersect at right angles.

马路通常以叉。

A pass route in which the receiver runs downfield for several yards, then cuts at a right angle toward the nearest sideline.

价格沿惯性向前运行一段，然后朝最近的边线切入。

Height is a measurement at right angles to this surface, and though gravity pulls mainly toward the centre of the earth, the geocentre, there are local variations.

高程是一个垂个表面的测度，而虽然重力总是将物体向地心方向拉，但局部总会有一些。

The team also noted a hinged flap near the base of the wing, called an Alula, which is deployed at right angles to the wing, which may be being used as a air flow-control device.

个小组还注意到，翼根附近铰接的副翼，被称为小翼的，对翼成配置，它可能被用来作为空气流量控制装置。