1.
A FAST COMPUTER ALGORITHM FOR ROTATING LARGE MATRICES BY 90°
大矩阵旋转90°的计算机快速处理算法
2.
Starting from a tail-in hover, rotate the helicopter 90 degrees.
先将机尾朝向操控者保持停悬，然后将机头旋转90°。
3.
While maintaining a constant altitude use the tail rolor to rotate the helicopter clockwise90 degrees, hold for ten(10) seconds.
保持稳定的停悬高度，将方向舵打右舵，使直升机顺时针旋转90°保持静止倒飞停悬10秒钟。
4.
Position socket in lamp and rotate 1/4 turn.
固定插座于灯并将其旋转90度。
5.
Rotates the selected drawing objects 90 degrees to the right
将选定图形对象顺时针旋转 90 度
6.
Open the earhook (90 from the headset).
将耳机挂钩向外旋转90 度
7.
(of a plant ovule) partly inverted; turned back 90 degrees on its stalk.
（指植物的胚珠）部分的倒转；在干上向后旋转90度。
8.
The sample in Fig. 3b has been rotated 90 compared with Fig. 3a.
图3（b）中的样品和图3（a）中的相比旋转了90°。
9.
A rotating disc electrode system was designed to recover Cd and the current efficiency was over 90%.
设计出新型旋转圆盘电极体系回收金属镉,电流效率达到90%以上。
10.
Open up this texture as a layer. rotate it 90 degrees counterclockwise (Layer - Transform). Resize to fit the image.
打开纹理素材，拖入图中。旋转90度顺时针。调整到图片的大小。
11.
The Millimeterwave Antenna Feed Scheme Adopting 90°Offset Reflection Surface Dispensing With Rotary Joint
采用90°偏馈反射面省却旋转关节的毫米波天馈线方案
12.
To revolve or cause to revolve.
旋转旋转或引起旋转
13.
90 indexable face milling cutter
可转位90°面铣刀
14.
One-hand jump-twits shot
单手转体90。跳投
15.
a mechanism for revolving the turntable
旋转台 [转盘] 的旋转装置
16.
To cause to turn around or as if around a central axis;revolve or rotate.
旋转使盘旋，使仿佛绕着一中心轴旋转；旋转，回旋
17.
Not rotating or involving rotation.
不旋转的或不含旋转的
18.
a right-angled bend in the road
道路上成90度的转弯.