重点介绍了系统的核心部分，即无线应变传感器，的组成及功能；
The modules and functions of the system core, wireless strain sensor, are introduced.
针对解决现有应变传感器存在的一些问题，设计了一种基于MSP430的超低功耗无线应变传感器。
Aiming at some existing problems in strain sensor, a kind of ultra-low power wireless strain sensor based on MSP430 was designed.
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