| 单词 | 常量 |
| 释义 | 〔quarter〕Being one fourth of a standard or usual value.标准值或常量的四分之一〔parameter〕A constant in an equation that varies in other equations of the same general form, especially such a constant in the equation of a curve or surface that can be varied to represent a family of curves or surfaces.参数，参量：在相同一般类型的等式中取值变化的等式中的常数或常量，尤其是曲线方程和平面方程中能代表一类曲线或平面的常量〔literal〕A letter or symbol that represents a particular constant or number, known or unknown, and is not programmer-defined.文字：代表一特定常量或数字的可知或未知的字母或符号，由非编程者所规定〔coefficient〕A numerical measure of a physical or chemical property that is constant for a system under specified conditions such as the coefficient of friction.系数，率：物理或化学性质的数值度量，在规定条件下对于一个系统来说它是常量，例如摩擦系数 |
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