Pre - pressure need further study because it involves many factors.
预压力与很多因素有关，需作进一步探讨。
Loading of trains is a complex issue. It involves many factors such as the axle weight, suspension system, traveling speed, track structure, geometric irregularity of lines and so on.
列车荷载是一个很复杂的问题，同时涉及列车轴重、悬挂体系、行车速度、轨道组成、线路平顺等等因素。
The calculation of the values involves so many factors that only a computer can cope with it.
这些数值的计算包含如此多的因子，以至于只有计算机才能对付得了。
It involves many uncertainty factors, some even what we don't know.
它涉及许多不确定的因素，有些甚至是无法得知的。
It is no simple task to give the reason for this complicated phenomenon which involves many factors.
给出这一复杂现象的原因并不是件容易的事，因为它涉及许多因素。
The classification of modulation types of communication signals is a problem of typical pattern recognition. It involves many perplexing factors.
通信信号调制类型的分类识别是一种典型的模式识别问题，它涉及到很多复杂的因素。
The calculation of water pollution losses involves many factors, and it is a huge systematic project.
水污染损失的计算涉及到很多因素，是一个庞大的系统工程。
The construction of water conservancy project is complex, it involves many management factors. Only strengthening the construction management can ensure the quality of the water conservancy project.
水利工程项目施工比较复杂，涉及的管理因素比较多，只有加强施工管理，才能保证水利工程的质量。
Genetic algorithm(GA) to ship structure design optimization is comparativelly complex and involves many manual parameters and it is very difficult to select appropriate penal factors.
船舶结构优化设计问题通常是一个包含混合变量的约束优化问题。
In the legal fact "x forming process, it involves many judgment factors. It is certain subjectivity."
法律事实的形成过程中涉及到很多判断因素，具有一定的主观性。
In the legal fact "x forming process, it involves many judgment factors. It is certain subjectivity."
法律事实的形成过程中涉及到很多判断因素，具有一定的主观性。
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