| 1. | Boilers are also classed as natural or forced draft types .
锅炉还可分成自然的或动力的通风类型。 |
| 2. | The three main sources of power are coal, oil and water power .
动力的三个主要来源是煤，石油和水力。 |
| 3. | Not all accumulations of hydrocarbons are necessarily the result of hydrodynamics .
并不是所有烃类的储集都必然是水动力的结果。 |
| 4. | Muscle contractions are powered by the chemical adenosine triphosphate(atp ) .
肌肉收缩是由化学物质三磷酸腺苷（ATP）提供动力的。 |
| 5. | We sometimes refer to electricity, gas or petrol as if they were the actual sources of power .
我们有时提起电、煤气或汽油，就好象它们是动力的真正来源。 |
| 6. | A special purpose would be to provide abundant electrical energy in the power-starved areas of the world .
一个特别的目标是为世界上缺乏动力的地区提供大量的电能。 |
| 7. | Furthermore, the energy that powers the continuing evolution of the universe apparently can all be traced to nuclear reaction and transformation .
而且，赋予宇宙不断演化的动力的能量明显地可追逆到核反应和核蜕变。 |
| 8. | A re - energized team plays for respectability ,
当队友们充满动力的打场礼貌球赛. . |
| 9. | Effects of zedoary on the gastric dynamics in rats
莪术对实验大鼠胃动力的影响 |
