该系统由分集天线(105)和主天线(100)组成。
The system is comprised of a diversity antenna (105) and a main antenna (100).
主天线位于手机顶部塑料盖平面部分内，可以在第二张、第三张图片上看到。
The main antennas are located near the flat plastic plates on the top and bottom of the phone, as seen in the second and third pictures.
为了把发动机对准正确的方向，主天线不会对准地球，从而无法传输更精细的数据。
To point the engine in the correct direction, the main antenna will not be pointed at Earth, preventing more detailed telemetry.
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