Principle, method and apparatus for young's modulus measurement of metallic material by indentation method are reviewed, and the methods error is analysed.
综述了无破坏法测定金属杨氏模量的测定原理、测定方法和测定仪器，并对这种测定方法进行了误差分析。
The paper presents the operating principle of MMIC test system measurement method and test programmer.
阐述了单片微波集成电路测试系统的工作原理、测试方法和自动测试程序。
The principle and method of high precise temperature measurement are introduced.
介绍了一种高精密温度测量的原理和方法。
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