“active layer”的概念、定义、翻译、参考文献-科学参考

单词	active layer
释义	active layer [`ak·tiv `lā·ǝr] ^GEOLOGY That part of the soil which is within the suprapermafrost layer and which usually freezes in winter and thaws in summer. Also known as frost zone.
随便看	chasmogamy chasmophyte chassignite chassis chassis ground chassis lubricant chassis punch chatoyant chatter chattering chatter mark Chattian Chattock gage Chauffard-Still disease chaulmoogra oil Chautauquan chavicol Chazyan chE Cheadle's disease Chebyshev approximation Chebyshev filter Chebyshev polynomials Chebyshev's differential equation Chebyshev's inequality

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