| 单词 | 常量 |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔K selection〕A form of selection that occurs in an environment at or near carrying capacity, favoring a reproductive strategy in which few offspring are produced.常量选择：一种选择形式，当一个环境到达或临近其最大容纳量之时，一种减少繁衍后代的生育策略更受欢迎美国传统〔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，例如摩擦系数美国传统〔constantly〕Two significant constants have been found in a number of research studies.若干研究已经发现了两个重要常量。柯林斯高阶〔constant〕The velocity of light is a constant.光速是个常量。外研社新世纪〔glycosuria〕Excess sugar in the urine, often associated with diabetes mellitus.糖尿：尿中反常量的糖，常与糖尿病有关美国传统〔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，由非编程者所规定美国传统〔quarter〕Being one fourth of a standard or usual value.标准值或常量的四分之一美国传统 |
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