| 1. | The horizontal anger has a variable pitch .
横向搅龙具有可变的螺距。 |
| 2. | The human eye has a pupil diameter which, of course, varies .
人眼瞳孔直径当然是可变的。 |
| 3. | The times between successive collisions are quite variable .
相继两次碰撞间的时间完全是可变的。 |
| 4. | Horizontal resistance, being variable in the wild state, can be domesticated .
水平抗性在野生状态下是可变的，它可以驯化。 |
| 5. | As mass can vary in several circumstances this definition is unsound and misleading .
由于质量在某些情况下是可变的，这个定义就不严格而且会令人误解。 |
| 6. | Since the molecules are in motion, a very small volume will contain a variable number of molecules .
由于分子处于运动状态，一个很小的体积将含有可变的分子数。 |
| 7. | The enzyme may exist in two interconvertible, active forms which possess different activation energies .
酶可以以两种相互可变的、具有不同活化能的活性形式存在。 |
| 8. | Consider a container whose volume can be varied, such as a cylinder provided with a movable piston .
现在，我们考虑一体积可变的容器，例如一只具有可移动活塞的气缸。 |
| 9. | Sometimes the only measure used is a variable export tax that is waived when world prices become too low .
有时使用的唯一手段就是可变的出口税，当国际价格过低时，即予免税。 |
| 10. | Adaptive output power minimizes interference
可变的电源输出使干扰减小到最小。 |
