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- nobservable variable 不可观测的变量
- A constant, variable, function name, or expression. 一种常数、变量、函数名或表达式。
- The prices are variable, shop around by all means. 价格高低不一，所以一定要货比三家逐店选购。
- The temperature was a variable in the experiment. 在该实验中温度是个变量。
- A finite increment in a variable. 变量增量变量的有限增量
- The speed of the toy boat is variable. 玩具船的速度是可变的。
- Winds are mainly light and variable. 风力较弱，风向多变。
- A programmed time delay of variable duration. 暂停，展宽一种由程序设置的可变持续时间的时间延迟
- An estimator is a random variable. 估计量是一个随机变量。
- A variable resister is called a rheostat. 可以调节的电阻器叫做变阻器。
- There are two ways to refer to a static variable. 有两个办法可引用一个static变量。
- Eurasian toad with variable chiefly green coloring. 欧亚大陆的各种主要为绿色的蟾蜍。
- To become zero. Used of a function or variable. 成零变成零。用于函数或变量
- A mark used as a superscript to indicate the first derivative of a variable. 撇号置于右上角的符号，用以标明变量的第一个导数
- He now called a variable quantity a fluent. 他现在把变量叫做流。
- A variable that has magnitude and direction. 一种具有大小和方向的量。
- It depends on measurement of controlled variable. 它取决于控制变量的测量。
- Prices are variable according to the exchanges. 物价跟着汇率变动。
- The air movement should be variable. 空气的流动应当是变化的。
- Congestion of the mucosa is a variable sign. 粘膜充血是不恒定的表现。
