求翻译：渗透率是煤岩渗透流体能力大小的度量，它是煤层气甲烷开采中一个最为关键的参数，也是最复杂且难以确定的参数。由于煤具有较软、低弹性模嚣的力学性质，在钻井或开采中外界条件的改变可对其产生强烈的影响。本研究概括分析我国煤层气研究现状，并综合前人观点，系统总结了煤层气储层渗透性的主要影响因素，对有效预测煤储层渗透性、发展渗透性描述理论、寻找有利勘探区带具有重要意义。是什么意思？

Permeability is a measure of the size of the fluid ability of coal and rock penetration, it is one of the most critical parameter in the exploitation of coalbed methane methane is the most complex and difficult to determine the parameters. Drilling or mining the coal is relatively soft, low modulus

Coal and rock penetration is penetration of fluid capacity size metric, which is mining in coalbed methane gas one of the most critical parameters, and it is also the most complex and difficult to determine the parameters. Because coal is a relatively soft, low-noise elastic modulus of mechanics in

The penetration coefficient is the coal crag seepage fluid ability size measure, it is the coal bed is mad in methane mining a most essential parameter, also is the parameter which most complex also determined with difficulty.Because the coal has softly, the low elasticity mold clamour mechanical pr

Penetration rate is the measurement of osmotic fluid capacity-the size of coal rock, it is one of the most critical of the coalbed methane mining parameters, is the most complex and difficult to determine parameters. Because of the relatively soft coal, low mechanical properties of flexible mold Xia

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