| 1. | The earth is about 0.34 percent away from being a perfect sphere .
地球与一个完全的球形只差0.34。 |
| 2. | The earth is about 0 . 34 percent away from being a perfect sphere
地球与一个完全的球形只差0 . 34 。 |
| 3. | The earth is not a perfect sphere
地球不是一个完全的球体。 |
| 4. | The earth is not a perfect sphere
地球不是一个很圆的球体。 |
| 5. | Elliptical galaxies range in shape from almost perfect spheres to flattened globes
椭圆星系的外形范围从几乎完美的球体到压扁的球。 |
| 6. | The four gyroscopes in gp - b are the most perfect spheres ever made by humans
在重力探测器b卫星上的四个回转仪是人类有史以来所造最完美的球体。 |
| 7. | A golf ball on average is a perfect sphere , but it does not fly like one
一颗高尔夫球就平均而言是个完美球面，但是它飞起来的时候就不是这麽回事了。 |
| 8. | A perfect sphere illustrates an ordinary symmetry , what is known as symmetry under rotations : no matter how you turn it , the sphere looks the same
完美球面可用来说明一般对称（又称旋转对称） ：不论如何转动，球面看起来都相同。 |
| 9. | These ping pong - sized balls of fused quartz and silicon are 3 . 8 cm across and never vary from a perfect sphere by more than 40 atomic layers
这些如乒乓球般大小，以石英和硅融合而成的球体直径约3 . 8厘米，偏离完美球体的程度不会多于40层原子。 |
| 10. | Instead of assuming the earth to be a perfect sphere , this function takes into account the actual polar flattening of the earth and the equatorial bulge , which gives a much more accurate computation between the given coordinates
它没有假设地球是一个完整的球面，而是考虑了地球的极轴扁平率和赤道鼓起率，这样就给出了两个坐标间更精确的距离。 |
