1. The correlation coefficient, like the covariance, is a measure of the extent to which two measurement variables " vary together. " 与 协方差 一样， 相关 系数 是 描述 两个 测量 值 变 …

In 2x + 4y = 7, 2 is the coefficient of x. 在方程2x+4y=7中，2是x的系数。

Coefficient（系数）是英语术语，音标为英 [ˌkəʊɪˈfɪʃ (ə)nt]，美 [ˌkoʊɪˈfɪʃ (ə)nt]，指数学中与变量相乘的常数因子，或物理学中量化物质特性的参数（如摩擦系数、传热系数等）。

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系数 （英語： coefficient）在数学中是指在某个 表达式 中作为某个对象的 乘法 因数 的 常数。 比如说，9x 2 中的系数是9。

Illustrated definition of Coefficient: A number used to multiply a variable. Example: 6z means 6 times z, and z is a variable, so 6 is a coefficient....

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The meaning of COEFFICIENT is any of the factors of a product considered in relation to a specific factor; especially : a constant factor of a term as distinguished from a variable.

A coefficient is a constant coefficient when it is a constant function. For avoiding confusion, in this context a coefficient that is not attached to unknown functions or their derivatives is generally …

The coefficient in the agricultural specific model becomes significant and more negative when technical and allocative efficiency are combined.