它并不是随机变动，而是有目的地移动。
分析了随机路网中行程时间的随机变动，并重新定义了行程时间可靠性。
This paper analyzes the random variation in the travel time on stochastic road network and redefines the travel time reliability.
茧丝纤度曲线的预测研究茧丝纤度曲线可视为是长度有限且随机变动的非平稳时间序列。
Size curves of cocoon filaments can be regarded as non-stationary time series with finite length varying at random.
而另一方面，现有的有关优化信号位相差的理论方法都是确定性的，通常忽略了车流的随机变动。
On the other hand, most of existing theoretical methodologies for optimizing the signal offset are deterministic in nature, which ignore the stochastic variations of vehicles.
文中提出未定的确定函数误差与未引起测量数据作随机变动的随机误差宜作为B类不确定度处理。
This paper advances that the unknow error in deterministic function and the random error which don't cause randomly fluctuation of measuring data can deal with uncertainty of B class.
以净现值法为基础，应用蒙特卡罗原理，提出了在石油产量和市场油价随机变动条件下石油勘探项目实物期权应用模型中不同阶段的波动率参数估算方法。
On the basis of traditional net present value method and Monte Carlo theory, a method for calculating the stage volatilities in the petroleum real option model was given.
在针对单件小批生产实际对MRP进行改造的基础上，还增加了对变动计划的支持，增强了核心算法对单件小批生产中由订单随机变化导致的需求多变的适应能力。
Based on the improving of MRP to adapt to job shop, it also add the supporting to the changed plan, which corresponding to the varied require caused by the order form's random change.
在针对单件小批生产实际对MRP进行改造的基础上，还增加了对变动计划的支持，增强了核心算法对单件小批生产中由订单随机变化导致的需求多变的适应能力。
Based on the improving of MRP to adapt to job shop, it also add the supporting to the changed plan, which corresponding to the varied require caused by the order form's random change.
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