名詞 coefficient:

1. a constant number that serves as a measure of some property or characteristic

1. The thermostat is based on the fact that different metals have different coefficients of expansion.
   恒溫器是以不同的金屬有不同的膨脹系數這一事實為根據的。
2. A binary-coded decimal code for representing decimal numbers in which each decimal digit is represented by seven binary digits which are coefficients of8,6,4,2,0,1,0, respectively.
   用于表示十進制數的一種二進制編碼的十進制碼，其中每位十進制數用七位二進制數來表示，它們分別是8,6, 4,2, 0,1和0的系數。五－二碼表如下：

co.ef.fi.cient

n.Abbr. coef.（名詞）縮寫 coef.
Mathematics A number or symbol multiplying a variable or an unknown quantity in an algebraic term, as 4 in the term 4x, or x in the term x ( a + b ).
【數學】 系數：在代數項中乘以變量或未知量的一個數或符號，例如在代數式4x 中的4或 x 在代數式 x ( a + b )中
A numerical measure of a physical or chemical property that is constant for a system under specified conditions such as the coefficient of friction.
系數，率：物理或化學性質的數值度量，在規(guī)定條件下對于一個系統(tǒng)來說它是常量，例如摩擦系數