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。
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。
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。
The character, performance and work principle of return ventilation is approached. It is good to use in Gushan coal mine and great economic benefit has made.
阐述了回转式通风方式的特点、性能及工作原理；介绍了该通风方式在古山立井的应用情况。
The character, performance and work principle of return ventilation is approached. It is good to use in Gushan coal mine and great economic benefit has made.
阐述了回转式通风方式的特点、性能及工作原理；介绍了该通风方式在古山立井的应用情况。
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