| 1. | The airplane had dual controls . 这架飞机有两套操纵装置。 |
| 2. | My dual position was, in fact, a handicap . 事实上,我的双重身份对我是一个不利因素。 |
| 3. | Theories serve a dual purpose . 理论有双重效果。 |
| 4. | This versatility comes from a dual weather influence . 这种多样性是由于双重的气候影响而形成的。 |
| 5. | Yet he went on trying to steer the ship of their dual life . 可他仍然试图驾驶他们双重生活的航船。 |
| 6. | The leghaemoglobin surrounding the bacteroids serves a dual role . 类菌体四周的豆血红蛋白执行双重职能。 |
| 7. | Both the dual and complement of such functions are also threshold function . 一个函数的对偶及都是临界值函数。 |
| 8. | This dual tug is apparent in the whole movement of expatriation . 这种两面周旋的态度在整个寄居海外运动中极为明显。 |
| 9. | The dual carburetor has a float bowl that partly surrounds the carburetor air horn . 双浮子气化器有一个浮子室,它局部环绕着化油器的空气室。 |