The machining experiment is made on semi-spherical part by orthogonal test method. The results of test are analyzed by variance analysis.
运用正交试验方法对半球形零件进行切削试验，采用方差分析法分析试验结果。
To avoid the disadvantages of variance in measuring market risk, the semi-variance and LPM methods are introduced. The three measures, variance, semi-variance, and LPM, are compared.
针对方差在度量风险中存在的弊端，引入了半方差和LPM的方法，并对三者的应用效率进行了比较。
The results showed that the soil nutrient had semi-variance structure in bamboo forest, and most of them were spherical model.
结果表明，毛竹林土壤养分存在半方差结构，多数为球状模型。
The results showed that the soil nutrient had semi-variance structure in bamboo forest, and most of them were spherical model.
结果表明，毛竹林土壤养分存在半方差结构，多数为球状模型。
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