| 1. | Yet some form of attenuation is mandatory . 然而有些衰减形式是必须采用的。 |
| 2. | Attenuation of light is in the form of absorption . 光是以吸收的形式衰减。 |
| 3. | For a certain degree of attenuation nature demands a certain minimum time . 为了达到某种程度的压制,自然要求某个最小时间。 |
| 4. | The attenuation of neutrons from a nuclear explosion involves several different phenomena . 核爆炸中子的减弱包括几种不同的现象。 |
| 5. | Attenuation of seismic waves between such surfaces can be similarly diagnostic . 在这些界面之间地震波的衰减,同样可以作为一种标志。 |
| 6. | As a result, there is less attenuation of the gamma rays from the fission products . 这样一来,从裂变产物中发射出来的射线的减弱就要少一些。 |
| 7. | However, it is not trivially easy to use this property for the attenuation of the detected surface-waves . 然而,利用这种性质来衰减观测的面波并非十分容易。 |
| 8. | In determining the attenuation for an areal array we must specify the direction of the wave travel . 在测定一种面积组合的压制性能时,我们必须明确波的传播方向。 |
| 9. | Two color pyrometers were developed to solve the problem of signal attenuation by intervening smoke or fumes . 为了解决由烟或气所引起的信号衰减问题,研制出了双色高温计。 |
| 10. | The optimum design of detector arrays for the attenuation of surface waves and of ambient noise is a complex subject . 为衰减面波和外界噪声作检波器组合的最佳设计是一件复杂的事情。 |