Sequentially, the effective radius of gas extraction and the effective pressure-released radius of pressure-released borehole are calculated by the borehole destroying radius expressions.

所得出的钻孔破坏半径的表达式可用于不同条件下计算瓦斯排放钻孔的有效排放半径和卸压钻孔的有效卸压半径。

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The effective radius and rational distances between bores of drainage gas in coal seams are two of the fundamental parameters of the rational arrangement bores in the engineering of drainage gas.

在本煤层抽放瓦斯工程中，有效半径和钻孔间距是合理布置抽放钻孔的两个主要参数。

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In the near infrared and middle infrared spectral region, the cloud reflection function depends mainly on the cloud particle effective radius.

在近红外和中红外光谱区，云的反射函数主要依赖于云滴有效半径。

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But what's important is not where that most probable radius is when we're talking about the z effective it feels, what's more important is how close the electron actually can get the nucleus.

但重要的不是,最可能半径,当我们谈论它感到的有效电荷量的时候，更重要的是,电子实际上。

麻省理工公开课 - 化学原理课程节选

You just need to remember what's happening to z effective, which really tells us what's happening with all the trends, and once you know z effective, you can figure out, for example, what direction the atomic radius should be going into.

你只需要记住有效核电量的规律，实际上它会告诉我们所有的规律，只要你知道了有效核电量的规律，你就可以判断，比如，原子半径会向着哪个方向发展。

麻省理工公开课 - 化学原理课程节选

The maximum effective transport radius is 300 kilometres (186 miles).

ECONOMIST: Face value