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 independent variables that express the coordinates of a point.
为变量或符号确定一个值，或者确定此变量代表的内容。 Establishing a value for a variable or symbol or establishing what the variable represents.
应变量，函数一个与他量有关联的变量，这一量中的任何一值都能在他量中找到对应的固定值 A variable so related to another that for each value assumed by one there is a value determined for the other.
在该实验中温度是个变量。 The temperature was a variable in the experiment.
