relational expression

关系式

常用释义

词性释义

关系表达式:在计算机编程中,用于比较两个值之间关系的表达式。通常使用比较运算符(如等于、大于、小于等)来判断两个值之间的关系。
例句
  • 全部
  • 关系式
1·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。
2·Then the relational expression of the total cost of production and the effective number is found.
然后求出总生产费用与效数的关系式。
3·The relational expression of natural convective heat transfer of isothermal vertical strip was found.
以条宽为特征量,得出了竖窄条自然对流换热关系式。
4·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。
5·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。
6·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。
7·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。
8·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;
9·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%。
10·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。
1·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。