Note: the query optimizer considers using a functional index when the index expression is used in a relational expression or as an argument to one of the operator class functions.
注意：当索引表达式被用于关系表达式，或作为某个操作符类函数的参数时，查询优化器将考虑使用函数索引。
According to the relational expression, the basic size of CAM mechanism can be defined.
由关系式计算最佳凸轮机构的基本尺寸。
A simple relational expression can be obtained by calculating results, and can predict breakthrough time.
通过计算结果可以得到简单的关系式，能够预测突破时间。
The results show that two IPR calculation methods are consistent when using given shear-rate relational expression.
计算结果表明，在给定的剪切速率关系式下，两种方法计算的流入动态关系一致。
And by means of least square method, the relational expression for the two kinds of functions to transform each other is derived.
并通过最小二乘法的数学手段，导出了两种函数相互转换的关系式。
Taking system water undercooling as growth - driving force of methane hydrate, relational expression between methane hydrate growth ratio and undercooling is fitted.
系统水过冷度作为甲烷水合物生长驱动力，拟合出甲烷水合物生长速率与过冷度的关系式。
The relational expression of materials properties and heat treatment parameters is found by regression analysis, and the optimum technological combination is obtained.
通过回归分析得出材料性能与热处理工艺参数之间的关系式，并得出最优工艺组合；
The credibility of the relational expression is checked using 174 liquefaction and non-liquefaction case histories, which proves the expression has a correct rate of 71.2%.
用174个现场液化勘察资料对该式的可靠性进行了检验，结果表明：该式的判别正确率可以达到71.2%。
On the basis of 422 basic formulae, GEP is adopted to explore the symptom-syndrome relational expression of TCM, completing initially the decision system of formulae symptom-syndrome.
论文以422首基本方为研究样本，采用基因表达式编程方法挖掘中医“症—证”之间的函数关系式，初步完成了通过方剂主治症状对其主治证的判定系统的构建。
In this paper, a method of lattice transformation is introduced to demonstrate the relational expression between Miller indices and interplanar spacing in base-centered monoclinic lattice.
采用晶格变换的方法证明了在底心单斜格子中密勒指数与晶面间距的关系式。
In this paper, a method of lattice transformation is introduced to demonstrate the relational expression between Miller indices and interplanar spacing in base-centered monoclinic lattice.
采用晶格变换的方法证明了在底心单斜格子中密勒指数与晶面间距的关系式。
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