| 1. | Only approximate solutions may be obtained even in the best of circumstances .
即使在最佳的条件下，只能得到近似的解值。 |
| 2. | The piston is now forced down, the burned gases expanding approximately adiabatically .
这时点燃的气体作近似的绝热膨胀而向下推动活塞。 |
| 3. | This particular half-sine pulse is only a very approximate model for the actual state of affairs .
这个特定的半正弦脉冲对实际情况来说只是一个非常近似的模型。 |
| 4. | In the physical world there exist a number of conservation laws, some exact and some approximate .
物理世界中存在着一些守恒定律，其中有些是严格的，有些是近似的。 |
| 5. | Though most rocks are elementally similar, they are mineralogically and texturally diverse .
虽然大多数岩石在元素成分方面是近似的，但它们在矿物成分和结构上却是各不相同。 |
| 6. | Although the approximate wave function is qualitatively useful, it is gravely lacking in quantitative accuracy .
虽然近似的波函数是定性地有用，然而它严重的缺少定量的准确性。 |
| 7. | As another example the center of mass of the earth and moon moves in an approximately circular orbit around the sun .
作为另一个例子，地球和月亮的质心就是在一个绕太阳的近似的圆轨道上运行。 |
| 8. | The validity of the centralfield approximation rests on the great mass of the sun and on the relatively great separation of the planets .
中心场近似的准确性基于太阳的巨大质量以及行星之间的巨大距离。 |
| 9. | Carcinoid flush cannot be reproduced by 5-ht infusion though bradykinin injection will produce a tolerably close imitation .
5HT的输注不能引起类癌性潮红，相反，舒缓激肽的注入则可得到较近似的阳性结果。 |
| 10. | A fractal image compression method with dct approximation
近似的分形图像压缩方法 |
