超声波能量的机械性质，可在很低的温度下工作。
Ultrasonic energy is mechanical in nature and works at much lower temperatures.
这些功能的实现是通过系统中电控部分的电源、时钟、存储、超声波脉冲信号发生、处理、温度采集、串行通信电路实现的。
These functions are realized by the circuits of power, clock, memory, ultrasonic pulse signal occurs and handle, temperature gathered and serial communication in system.
在此基础上利用PC 104，手持式超声波测厚仪，温度采集模块，以及无线收发模块，构成了实验平台。
This paper adopts PC104, in-hand ultrasonic thickness-measuring instrument, temperature collection module, wireless transceiver module to form experiment platform.
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