The result of practical experimentation indicates that the problem of floor heave in gas tail gateway having been basically solved.

工业性试验结果表明，工作面瓦斯尾巷巷道支护状况良好，底鼓问题基本得到了解决。

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The two-pronged tail in this system may have formed because gas has been stripped from the two major spiral arms in ESO 137-001.

在这个系统里出现分成两叉的尾巴是因为被吹散的气体来自于ESO 137-001的两个主要的漩臂。

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The tail contains only gas, dust and newly formed stars.

“尾巴”仅包含气体，尘埃和新形成的恒星。

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As a comet gets closer to the sun, the sun's heat causes these elements to melt, spewing out dust and gas in a brilliant tail.

CNN: Welcome to the year of the comet (we hope)

It already has a 64, 000km-long tail of dust and gas that will become visible to the naked eye later in the year - a trail scientists will study closely.

BBC: Comet Ison caught on film by Deep Impact craft

At the tail end of the global economic boom, when concerns about the environment were widely voiced, large "gas-guzzling" sports utility vehicles (SUVs) became objects of loathing and ridicule.

BBC: Business