| 1. | The current is the charge flow per unit time .
电流是每单位时间流动的电荷。 |
| 2. | The term "fluid" means a substance that can flow .
所谓“流体”是指可流动的物质。 |
| 3. | Mass flow occurs as a result of external forces .
质体流动的发生是由于外力的结果。 |
| 4. | Sand under quick condition is often called quicksand .
通常把快速流动的沙叫做流砂。 |
| 5. | In the past itinerant merchants sold harmful products .
过去，流动的商人出售有毒的产品。 |
| 6. | Gross flow instabilities are damped and remain small .
总体流动的不稳定性受到阻抑并且很小。 |
| 7. | Resistor offers resistance to the flow of electrical current .
电阻器起着对电流流动的阻碍作用。 |
| 8. | The assumption of horizontal flow in the vicinity of the drains fails .
在排水管附近水平流动的假设不成立。 |
| 9. | Certain granular solids transform into highly mobile slurries .
一定数量的粒状固体就可以变成非常易流动的泥浆。 |
| 10. | The tube is blanketed in an inert gas such as nitrogen or argon .
管子被整个地漫浸在流动的氮或氩等惰性气体中。 |
