您要查找的是不是：
- variable buoyancy device 自沉浮
- A constant, variable, function name, or expression. 一种常数、变量、函数名或表达式。
- A display device that uses a cathode ray tube. 一种使用阴极射线管的显示装置。
- If took ten men to wrestle the device into place. 用了10个人才把那台装置挪动到位。
- 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 device used to modulate an electromagnetic wave. 调制器用以调制电磁波的装置
- 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
- She got the information by some device. 她运用某种手段获取了情报。
- This is a device for squaring the circle. 这是一个不可能实现的方案。
- Let's put the new device to the test now. 现在让我们现在来试验这部新装置。
- The data logger device has been fitted to ship's engine room. 数字记录仪装置已安装在船只的机舱里。
- To move with lightness and buoyancy. 轻快活泼地移动
- The device had undergone extensive testing. 这种装置经受过广泛的试验。
- A device used to raise the nap on a fabric. 起毛机一种用于使纤维起绒毛装置
- The state or quality of being light;buoyancy. 轻重量轻的状态或性质；浮力
- An electronic device amplified the speaker's voice. 电子设备放大了演讲人的声音。
