介绍双偏置式球笼等速万向节的工作原理。
The operation principle of contant velocity universal joint with double offset ball basket is introduced.
最后对双偏置反射面天线的赋形设计进行了研究。
Finally, the shaped design of dual offset reflector antenna is studied.
其次分别对单偏置反射面天线、双偏置反射面天线进行研究和设计。
Secondly, the single offset reflector antenna and dual offset reflector antenna are studied and designed.
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