A small sample method for testing fatigue crack growth rate curve of steel was presented in this paper using a formula of two-dimensional one-side tolerance factor.
应用二维单侧容限系数公式，提出了一种测定金属材料疲劳裂纹扩展速率的小样本方法。
This method is particularly useful for measuring very small samples because the dimensions of the sample and the spacing of the contacts are unimportant.
这种方法在测量非常小的样品时特别有用，因为这时样品的尺寸和接触点的距离并不重要。
Obtaining the pure nematodes from plant sample by using the small sample sieve combining funnel method.
小的分样筛与漏斗法结合从植物样品获得纯净的线虫。
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