It can be used to test the metal Vicker's or Knoop's hardness, through the diagonal measurement of the value of integration into the calculator, thereby calculate the hardness value.
它可用于测试金属的维氏或努氏硬度，通过把测量的对角线值输入到一体化计算器，从而计算出硬度值。
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Through the diagonal measurement of the value of input to the integration of calculators, in order to estimate the hardness value.