"It is really pollution from our own use of space. Over the last 50 years we have been a bit careless, just as we have been careless with our oceans and rivers over centuries and polluted them.

VOA: standard.2010.07.24

R/Cv OK, so that means that this is really instead of -1 R over Cv. it's really gamma minus one.

现在,变成了γ

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