A control box fitted to the car contains a mini-cellphone, a microprocessor and memory, and a GPS satellite positioning receiver.
车上的控制箱装有迷你手机、微处理器、存储器和 GPS 卫星定位接收器。
The S5 ($400 per unit) is different; it has both the wireless receiver and the speakers built into a single box.
这件S5 (每件400美元)不同以往;它把无线接收器和扬声器集成在了单独的盒体中。
For protocol testing, you don't describe the structure of the implementation, but rather, in black-box style, how a sender and a receiver communicate.
在对协议进行测试时,你不必描述协议实现的结构,但是如果采取黑盒方式,则需要描述发送者与接收者之间的通信方式。
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