1. Energy ( variance) of the small-scale motions is not homogeneous. 小尺度运动的能量（偏差）是不均匀的。
2. We simulate the stochastic cycle time and get its mean and variance. 我们模拟随机的周期时间，得到平均值以及变异数。
3. Stable results and high variance reduction using the compound method have been obtained. 使用组合方法获得了稳定的结果和较大的方差减缩。
英英解释
n.
1. an event that departs from expectations
2. discord that splits a group
3. the second moment around the mean; the expected value of the square of the deviations of a random va
4. a difference between conflicting facts or claims or opinions
5. the quality of being subject to variation
6. an official dispensation to act contrary to a rule or regulation (typically a building regulation)
7. an activity that varies from a norm or standard
