为了使索引发挥最优性能，索引应该位于以10,000 R PM或者更快速度旋转的非系统硬盘上。
For maximum indexing performance, the index should reside on a nonsystem disk that rotates at 10,000 RPM or greater.
接近简单的史瓦西类型(非旋转)黑洞中心的物体将会对远距离的观察者当物体接近活动视界时候存在日益增加的慢降落。
An object approaching simple Schwarzschild-type (non-rotating) black hole's center will appear to distant observers as having an increasingly slow descent as the object approaches the event horizon.
使用陀螺仪测量飞机机体轴向的旋转角速率时，如果飞机在旋转，测得的值为非零值，飞机不旋转时，测量的值为零。
If a gyro is used to measure the rate of rotation around the aircraft roll axis, it will measure a non-zero value as long as the aircraft is rolling, but measure zero if the roll stops.
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