| 1. | This served to bring another fact to the attention of the observers . 这使观察者注意到另一事实。 |
| 2. | The technique of the drawing depends on the ability of the observer . 绘图技术取决于观测者的能力。 |
| 3. | The observer should always make full notes about the atmospheric conditions . 观测者要对大气条件作详细记录。 |
| 4. | The part of the spectrum which is visible depends on the eyes of the observer . 谱中可见的部分取决于观察者的眼睛。 |
| 5. | Of particular importance to the observer is the position of the terminator . 对于观测者特别重要的是明暗界线的位置。 |
| 6. | Inevitably, the observer of growth is impressed with the variety of responses . 研究生长的人不可避免地易被种种反应所吸引。 |
| 7. | Indispensable for the observer is a good star atlas, containing all naked eye stars . 观测者必须具备一份包括肉眼能看到的所有天体的好星图。 |
| 8. | Hence, the antenna along the y-axis does not send any light to the observer directly below it . 因此,沿y轴的天线,对y轴正下方的观察者不发送任何光波 |
| 9. | The source is placed to the left, and the observer is directly in front of the handle that turns the screw . 光源放在左方,观察者就在转动螺旋的摇柄之正前方。 |
| 10. | To prevent damage, the observer will choose a friction clamp or better still an adjustable clamping ring . 为防止损坏,观测者应采用摩擦夹紧方式,用可调夹圈更好。 |