您要查找的是不是：
- variable frequecy generator 可变频率发生器
- 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。
- None of us had ever set eyes on a generator before. 我们过去谁也没看见过发电机。
- VDFG? Variable Diode Function Generator? 变量二极管函数发生器?
- 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。
- The generator shuts off automatically. 这台发动机能自动停止运转。
- 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
- We have an auxiliary generator in case of power cuts. 我们有一台万一断电时使用的备用发电机。
- 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。
- The giant generator could be back in service. 巨大的发电机可以重新使用了。
- A generator may cut off if it is overtaxed. 发电机要是过荷，它可能会停止运转。
- Eurasian toad with variable chiefly green coloring. 欧亚大陆的各种主要为绿色的蟾蜍。
- The propeller turns a small D.C. generator. 螺旋桨带动一个小型直流发电机。
- To become zero. Used of a function or variable. 成零变成零。用于函数或变量
