本文运用模糊数学理论，提出一种利用既有工程数据库设计隧道围岩支护系统的“模糊类比”方法。

Based on fuzzy sets theory and tunnelling data bank, a fuzzy analogy method for design of rock support system in tunnelling is presented in this paper.

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为了建造长达4.4万英里的公路、桥梁和隧道网络，必须设计出数百种独特的工程设计和解决方案。

To build its 44,000-mile web of highways, bridge and tunnels, hundreds of unique engineering designs and solutions had to be worked out.

youdao

为了建造长达4.4万英里的公路、桥梁和隧道网络，必须设计出数百种独特的工程设计和解决方案。

To build its 44,000-mile web of highways, bridges, and tunnels, hundreds of unique engineering designs and solutions had to be worked out.

youdao