The long gas pipeline is a regulating object of distributing parameter.

长输气管线是一个具有分布参数的调节对象。

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This paper gives a theoretical and analytical solution of the dynamic response for long gas pipeline in the form of infinite series with Bessel functions.

本文以贝塞尔函数级数和的形式，给出了动态特性的理论解析解。

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By tracking this ratio over time, he can determine how long gas has taken to reach the surface and gain clues to the chemical, thermal, and mechanical state of the rocks the gas is passing through.

通过追踪该比率随时间的变化，他可以确定氡气到达地表需要花费多长时间，同时获得气体所通过的岩石的化学、热力学和机械状态。

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A comet is a huge ball of frozen gas and dust that often releases a long trail of material as it nears the sun.

VOA: special.2009.09.30

We have come a long way from the gas discharge tube to the heavens.

我们在从气体放电管到,世界还有很长的路要走。

麻省理工公开课 - 固态化学导论课程节选

We've been talking about that since Jimmy Carter when we had those long gas lines.

CENTERFORSECURITYPOLICY: "Fixing" US-Latin American relations

Lord Smith says it is important the UK develops its own reserves of shale gas, so long as gas power stations are able to store the resulting CO2 emissions in the future.

BBC: Cheap coal 'threatens UK pollution targets'

At Marketocracy, his 10STX portfolio is limited to cash (35%), short gold ( DZZ), long natural gas ( UNG), short the market ( TWM), and long a too big to fail banking disaster ( BAC).

FORBES: Why A Buffett Next Door Is Hoarding Cash