|
|
| 51. | In as much as the earth is round |
| 因地球是圆的， |
|
| -- 来源 -- 天宝物华（上） - Changes of the Seasons |
好评(11) |
差评() |
|
|
| | |
| 52. | The earth goes round and round the sun. |
| 地球周而复始地绕着太阳旋转。 |
|
|
| | |
| 53. | By sending satellites round the earth at different heights, we can find out how much air there is at |
| 我们把卫星送入不同高度的轨道饶地球运行，就能测出地球上空不同高度处空气的含量。 |
|
|
| | |
| 54. | The earth turns round from west to east. |
| 地球由西向东旋转。 |
|
|
| | |
| 55. | Its layout symbolizes the Belief that heaven is round and earth square. |
| 天坛的布置将天空为圆、大地为方的信念予以象征化的呈现。共有三个建筑物沿一直线兴建而成。 |
|
|
| | |
| 56. | Chaotic attitude motion and its control of a magnetic rigid spacecraft in an arbitrary circular orbit round |
| 研究在地球万有引力场和磁场中具有结构内阻尼的磁性刚体航天器在圆轨道上平面天平动的混沌行为及其控制。 |
|
|
| | |
| 57. | The earth turns round at a uniform rate. |
| 地球以不变的速度旋转。 |
|
|
| | |
| 58. | Finally, when in orbit round the earth, the calculators calculate exactly when to fire the retro-rocket |
| 最后，在围绕地球的轨道运行的时候，计算机会精确地计算出应该在什么时候发射制动火箭以重返大气层。 |
|
|
| | |
| 59. | Once the satellite goes into its orbit round the earth, the panels are unfolded in order to catch the |
| 一旦卫星进入它绕地球运行的轨道，太阳能板就被打开用来吸收阳光。 |
|
|
| | |
| 60. | The earth revolves round the sun (on its axis). |
| 地球（以太阳为轴）绕太阳公转. |
|
|
| | |