The principle for determining empirical formulas in mine ventilation engineering by means of genetic programming method is put forward, and an applied example is given.

给出了遗传规划方法确定矿井通风工程中经验公式的原理，并给出了应用实例。

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In order to establish the management system of mine ventilation information, the principle, the basis, the method and the scope of classified information are defined.

将通风管理人员纳入通风系统的概念中，从建立矿井通风信息管理系统的目的出发，确定了信息界定的原则、依据、方法和范围。

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According to the principle of the largest likelihood the paper presents a new method for solving adjustment problem of mine ventilation network.

本文基于最大似然原理，提出了一个求解矿井通风网络平差问题的新方法。

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