... covariant vector function 共变向量函数 criterion function 准则[判别]函数 critical function 判定函数 ...
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根据模糊数学的隶属函数和最大隶属原则，讨论了模糊综合评判方法和应用准则，建立了测井判别油水层的模糊数学模型。
Discussed are the fuzzy comprehensive evaluation method and its application principle according to membership function and maximum subordination principle in fuzzy mathematics.
根据测井曲线，运用费歇准则导出了识别砂岩油层大孔道的判别函数，判别函数是测井曲线的线性组合。
In the paper, the discriminant function is derived from the Fisher principle to distinguish large pore paths in sandstone oil layers based on logging curves.
本文给出了凸函数，严格凸函数和显凸函数的一些判别准则。
In this paper, we give some criteria for convex function, strictly convex function and explicitly convex function.
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