非常向上 春妮脱鞋视频:参数是什么意思

一 个可改变的字符啊
对事物性质的一个表示

参数是反映总体特征的一些变量,包括总体平均数,总体方差,总体标准差等

呵呵金山词里这样说的:

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, what mode of housing they will choose, and how they will pay for it”(New York)
“住宿的所有限制因素——人们住在哪里、他们将选择什么样的住房式样以及他们如何付房钱”(纽约)
A factor that determines a range of variations; a boundary:
决定变数范围的要素，范围，界限：决定变化范围的因素；限度：
an experimental school that keeps expanding the parameters of its curriculum.
一所不断扩展课程范围的实验学校
Statistics A quantity, such as a mean, that is calculated from data and describes a population.
【统计学】 母数：一种如平均数等从数据中计算出来的用来描述总体的数值
Usage Problem A distinguishing characteristic or feature.
【用法疑难】 特色，特征：区别于其它事物的特点或性质