| 1. | The instrument must be carefully leveled . 必须将仪器小心地调到水平。 |
| 2. | They chanced to have their instruments with them .. 他们正巧带有仪器。 |
| 3. | They happened to have their instruments with them .. 他们正巧带有仪器。 |
| 4. | High temperature instruments use photodiodes . 高温测量仪器用光电二极管。 |
| 5. | This instrument unit is cylindrical . 这个仪器舱是个圆柱体。 |
| 6. | A sketch of his apparatus is shown in figure 3-2 . 图3-2是他的实验仪器的简图。 |
| 7. | Today all instruments are copies of original . 今天所有的仪器都仿照原始的样子。 |
| 8. | This instrument is highly sensitive . 这架仪器很灵敏。 |
| 9. | This apparatus eliminates the effects of microseisms . 这种仪器排除了微地震的影响。 |
| 10. | The apparatus is spotlessly clean . 仪器上一尘不染。 |