| 1. | These fluctuations are random in nature .
这种波动的性质是任意随机的。 |
| 2. | Both matter and energy tend to randomize .
物质与能量趋向随机化。 |
| 3. | An estimator is a random variable .
估计量是一个随机变量。 |
| 4. | If the two signals are random, the cross-correlation is zero .
倘若两个信号都是随机的，则互相关系数为零。 |
| 5. | If the x input occurs randomly, then the operation may be quite different .
如果输入信号X随机地出现，那么工作情况可能完全不同。 |
| 6. | If measurement errors occur randomly, one can expect their mean to approach zero .
如果测量误差随机产生，可以期望他们的平均值近于零。 |
| 7. | This process of separation and spreading out of particles by random walks is known as diffusion .
粒子通过随机运动离散开去的这种过程就叫打散。 |
| 8. | Response equations for stochastic problems are again taken to be those given in(1-46) .
随机问题的输出方程还是取方程（1-46）所给定的那种形式。 |
| 9. | This book deals with deterministic systems and does not include any analysis of stochastic phenomena .
本书不分析随机现象，主要讨论确定性系统。 |
