measurement validity的用法和样例：
例句
- The result is important for solving the problems of the bad repeatability and low measurement accuracy in the structure sound insulation measurements.
对解决结构隔声测试方法中声源信号可重复性差，测试结果精确度不高的问题具有重要意义。 - It was described and validated the ultrasonic system with a line-focused PVDF transducer for the measurement of the elastic constants of small-size samples.
摘要介绍了针对小试件材料力学性能测试的特殊需求而设计的超声精密测量系统和测试方法，并进行了实验验证。
