| 1. | He crossed the river by the aid of a tree .
他借助于一棵树过了河。 |
| 2. | The theoretical explanation invokes virtual photons .
这一理论解释需借助于虚光子。 |
| 3. | They used the wings to make flapping leaps after insects .
它们借助于翅膀扇动进行跳跃，追逐昆虫。 |
| 4. | Mass flow information can be secured by using a densitometer .
质量流量的数据可借助于密度计而获得。 |
| 5. | We needed china to enhance the flexibility of our diplomacy .
我们需要借助于中国来加强我们在外交上的灵活性。 |
| 6. | You could save a lot of memory by packing decimal digits .
你可以借助于压缩十进制数字的方法来节省大量的存储单元。 |
| 7. | At the age of eight she was walking a bit with the aid of a leg brace .
八岁时，她借助于腿的支撑架能稍微走一走了。 |
| 8. | The operation of this laser can be explained with the aid of figure 10. 15 .
借助于图1015可以解释这种激光器的运转。 |
| 9. | The impellers are kept in their proper relationship to each other by spur gear .
液轮之间借助于正齿轮保持彼此正常的关系。 |
| 10. | The process of breaking up a molecule with the aid of water is called hydrolysis .
这种借助于水而使分子断裂的过程叫水解。 |
