卫星电视信号接收天线定位的主要参数是方位角、仰角和极化角。
The main parameters of the satellite TV signal receiving antenna positioning are the azimuth, the elevation angle and polarization angle.
他帮忙制定了“星尘计划”，使用能被反射传感器探测到的再极化星尘来定位那些小行星，并扫除威胁。
He helped develop the Stardust Plan, which used sensor-reflective repolarized dust to spot the asteroids and clear the threat.
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