请问 “ 参数” 用英语怎么说？

parameter
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n.
参数, 参量, <口>起限定作用的因素

parameter
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n.（名词）
Mathematics
【数学】
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
One of a set of independent variables that express the coordinates of a point.
变量，参数：一组代表与之对应的点的独立变量之一
One of a set of measurable factors, such as temperature and pressure, that define a system and determine its behavior and are varied in an experiment.
要素，测量元素之一：一组可测量的确定某一系统并决定该系统的状况且在实验中是变化的因素之一，例如温度和压力
Usage Problem A factor that restricts what is possible or what results:
【用法疑难】 限制因素：限定可能性和结果的因素：
“all the parameters of shelter—where people will live,