In chapter six, schematic design, PCB design and application circuits of receiver RF destination are all implemented and the important system parameters are tested by using the spectrum analyzer.
第六章为接收射频前端电路的原理图设计、PCB设计和系统电路的实现，对系统电路的重要参数进行了测试。
Spatial metaphors are image-schematic and they can be reasoned and analyzed with the parameters trajector, landmark and path.
空间隐喻被看作是一种意象图式隐喻，动体、陆标和路径是分析和解释空间隐喻的有用参数。
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