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。
Principle, method and apparatus for young's modulus measurement of metallic material by indentation method are reviewed, and the methods error is analysed.
这里是各种金属的，杨氏模量，还有尼龙的杨氏模量，今天我们将多次，用到它。
And you have Young's modulus there for various metals, and I also have it down there for nylon, and today we will work with that quite extensively.
在杨氏模量、金属线胀系数实验中，微小形变量的测量是关键环节。
The measurement of micro deformation is the key in Youn Modulus and linear expansion coefficient experiments.
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