This works better than selecting random parents and keeping track of who has been a parent already.
这样做的效果好于选择随机亲本并保持对哪些已经是亲本的追踪。
Sitting next to an exposed subway track, with its sandstone facade and Moorish arches, it looked random in its surroundings and yet utterly appropriate.
我坐在露在外面的地铁铁轨旁边，它看起来显得与周围的环境如此随意而高度的契合。
A new method for a vertical non-stationary random vibration analysis of vehicle-bridge systems subjected to track irregularity excitations is proposed.
提出了考虑轨道高低不平顺时进行车桥耦合系统垂向非平稳随机振动分析的新方法。
The limited unit method, random tired analysis etc. method that is adopted to analyse and calculate the track beam's loading abilitys.
采用有限单元法、随机疲劳分析等方法对该轨道梁的承载能力进行分析计算。
The Random Particle-Track model simulate the turbulent diffusion.
颗粒的湍流扩散是通过随机轨道模型来模拟的。
The track geometry irregularity is a stable normal distribution and state-history random variable.
轨道几何不平顺为平稳的正态分布和各态历经的随机变量。
The optimal design has been made of the general drive-ratio of the rising mechanism of 160T track crane. ln the course of the design , a random-optimal method is used and run on the IBM-386 computer.
对160T汽车起重机起升机构的总传动比分配进行了优化设什。设计过程采用随机优化方法并在IBM-386微型机上运行通过；
The acting random dynamic pressure of rolling stocks on track proper is also analysed.
然后分析了列车对无缝轨道的随机动压力。
The acting random dynamic pressure of rolling stocks on track proper is also analysed.
然后分析了列车对无缝轨道的随机动压力。
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