If I pick an angle of 60 degrees, these are some numbers like half and root 3 over 2.
要是我选择一个60度的角，这些数就会是二分之一和二分之根号三。
If you would have picked the minus, you would have found a different phase Angle, but you can't pick minus.
如果你要取负值，你会找到不同的，相角，但是你不能取负。
So we could pick any point on the structure including an Angle relative to the global coordinate system.
所以我们可以在结构上选取任何一个点，相对于全局坐标系存在角度。
In target tracking system for UAV, by regulating the gyro-stabilized platforms azimuth Angle and pitching Angle, the line-of-sight of pick-up equipment is stabilized and focused on the target.
无人侦察机对目标的跟踪是通过调整陀螺稳定平台的高低角和方位角，从而使摄影设备的光轴对准目标来实现的。
In target tracking system for UAV, by regulating the gyro-stabilized platforms azimuth Angle and pitching Angle, the line-of-sight of pick-up equipment is stabilized and focused on the target.
无人侦察机对目标的跟踪是通过调整陀螺稳定平台的高低角和方位角，从而使摄影设备的光轴对准目标来实现的。
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