| 释义 |
参数cānshù
1.方程中可以在某一范围内变化的数,当此数取得一定值时,就可以得到该方程所代表的图形。如在方程 x2＋y2=r2中,当r取得一定值时,就可以画出该方程所代表的圆, r就是圆周的参数。{parameter; a variable within certain limits in an equation, whose values determine the figure the equation expresses. For example, in the equation x2＋y2=r2, when r, the parameter, takes on a certain value, the circle this equation expresses can be drawn.}也叫also参变数{cānbiànshù}。
2.表明任何现象、机构、装置的某一种性质的量,如导电率、导热率、膨胀系数等。{quantity whose value characterizes any phenomenon, organization or apparatus, e.g., electric conductivity, thermal conductivity, coefficient of expansion, etc.} |