常变量

cluster variable───星团变星

constant battle───不停的战斗

constant struggle───不断的斗争

cluster variables───星团变星

constant menace───不断的威胁

constant noise───不断的响声

constant pain───持续的疼痛

Thread can be remotely controlled and its status can be remotely read by defining global status constant variable and adopting state driven in network management code.───通过定义全局的状态常量和使用状态驱动，实现了线程的远程控制和状态读取。

Why can't we define a constant variable as static?───为什么我们不能一个常数变量定义为静态的？

My love for you is a constant variable: un-updatable and unchangeable.───我对你的爱是一个常量，永久不变。

Character_expression can be a constant, variable, or column.───character_expression可以是常量、变量或列。

Simple expressions can be a single constant, variable, or function.───简单的表达式可以是单个常量、变量或函数。

Week 1 Constant & Variable, the Definition of Function, the Nature of Function, Composite Function, Functional Model.───第1周常量与变量，函数概念，函数的性质，复合函数，函数模型。

arithmetic mean median mode weighted average constant variable absolute value───算术平均数中数众数加权平均数常数变量绝对值

A constant, variable, function name, or expression.