| 1. | For the nuclear diameter we have used 18fm . 我们用18fm作为原子核的直径。 |
| 2. | Any two diameters of a circle intersect each other . 圆周内两直径必相交。 |
| 3. | Each telescope would be 100 meters in diameter . 每个望远镜的直径为100米。 |
| 4. | It is a stainless steel tube about 2cm in diameter . 它是直径约2厘米的不锈钢管。 |
| 5. | The diameter and the circumference of a circle correlate . 圆的直径与圆周互相关联。 |
| 6. | The bolt has a diameter of 1cm . 螺栓直径为1厘米。 |
| 7. | The human eye has a pupil diameter which, of course, varies . 人眼瞳孔直径当然是可变的。 |
| 8. | The diameter of mars is slightly over half that of the earth . 火星的直径比地球的半径稍大些。 |
| 9. | The stem has a slightly smaller diameter than the valve bore . 阀杆的直径略小于阀体孔的直径。 |
| 10. | The diameter of the column has now decreased to 2, 000 feet . 这时水柱的直径已减少到2000英尺。 |