Conduct a simple experiment: go outside and walk in a random direction, and feel free to change directions randomly.
做一个简单的实验：出门朝任意一个方向前行，途中随机改变方向。
The approach to a higher calculating precision of search method of random direction is discussed.
本文还对提高随机方向搜索法计算精度的途径作了讨论。
To achieve this, the random direction search method, box method and the inter-SUMT method are applied, resulting in some improved feasible plans.
选用随机方向搜索法、复合形法和惩罚函数法，取得若干有改进的可行方案。
Fibrinogen had no obvious effect on VSMC migration in scrape assay and on VSMC migration at random direction in Time-lapse microcinematography (P>0.05).
刮伤实验中细胞迁移速度及慢速显微摄像单细胞随机迁移速度在纤维蛋白原组及对照组细胞均无明显差别（P>0.05）。
With simulation by emtp it shows that both the random initial phase of short circuit current and the random direction and value of residual magnetism are the reason of above-mentioned phenomenon.
利用电磁暂态程序emtp进行机理分析的结果认为：短路电流起始相位的随机性以及互感器铁心剩磁方向的随机性会导致上述现象的出现。
With simulation by emtp it shows that both the random initial phase of short circuit current and the random direction and value of residual magnetism are the reason of above-mentioned phenomenon.
利用电磁暂态程序emtp进行机理分析的结果认为：短路电流起始相位的随机性以及互感器铁心剩磁方向的随机性会导致上述现象的出现。
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