| 1. | A boeing 747 jumbo jet airliner lands at a speed of 160m/s .
一架波音747巨型喷气式班机以160米秒的速度着陆。 |
| 2. | It is measured at a speed of 2m/s under load intensity of 1. 96mpa .
它是在载荷集度为196Mpa和速度为2ms时测得的。 |
| 3. | They streaked down through the lunar shy at a speed of 3, 700 miles an hour .
他们以一小时三千七百英里的速度向下掠过月球天空。 |
| 4. | an electron moves inside a tv picture tube at a speed of 5×m/s.
一个电子在电视机显像管里以5米秒的速率运动。 |
| 5. | The filaments are expanding into space at a speed of roughly 5, 000 kilometers per second .
这些纤维状星云物质以每秒大约5000公里的速度向宇宙空间扩展。 |
| 6. | A light-year is the distance light travels in one year at a speed of 299, 792 kilometers per second .
一光年是光以每秒299792公里的速度在一年中所走过的距离。 |
| 7. | A hockey player who is skating at a speed of 5m/s falls and slides along the ice for 20m before stopping .
一个冰球运动员在溜冰速率为5米秒时跌倒在冰上，滑了20米才停下。 |
| 8. | Now a joke on a wireless programme leaps across the world at a speed of 186, 000 miles a second .
而现在，即使是无线电节目里的一个笑话，也以每秒186，000英里的速度传遍世界。 |
| 9. | Light travels at a speed of 300 , 000 km per second
光以每秒30万千米的速度传播。 |
| 10. | The car runs at a speed of 1 km per minute
小轿车以每分钟1千米的速度行使。 |
