The new back analysis method of physics and mechanics parameters of surrounding rock was established by uniform design, calculus of differences and fuzzy artificial neural networks in this paper.
基于均匀设计、差分法和模糊人工神经网络建立了新的隧道围岩物理力学参数反分析方法。
Indeed it was this analysis which led Newton and Leibnitz to the discovery of differential calculus.
就是这样的分析使牛顿和莱布尼兹发明了微积分。
Network calculus is primarily used to dispose the flow problem in networks, and it can be used for flow problem modeling and quantitative analysis of flow problem.
网络微积分主要用于对网络中流问题的考察，它所形成的体系可以用于对网络中的流问题进行建模和定量分析。
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