演替受到许多因素的影响：土壤的性质、暴露于阳光和风中的时间、降水的规律性、偶然的殖民和许多其他随机因素。

Succession is influenced by many factors: the nature of the soil, exposure to sun and wind, regularity of precipitation, chance colonizations, and many other random processes.

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针对当前城市交通系统中的被控对象具有较大的随机性和偶然性，引入了不需要建立精确数学模型的模糊控制。

This design USES fuzzy control theory which doesn't require exact mathematical model because of the randomness of the controlled objects in the current city traffic control system.

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首先，3月3号金星与天王——一个充满惊喜的行星形成合相，一个偶然的相见会发生：接受丘比特的随机选择吧！

First, March 3 brings Venus conjunct Uranus, planet of surprise, so a chance meeting could occur - allow for random help from Cupid!

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