“pingo ice”的概念、定义、翻译、参考文献-科学参考

单词	pingo ice
释义	pingo ice [`piŋ·gō ´īs] ^HYDROLOGY Clear or relatively clear ice that occurs in permafrost; originates from groundwater under pressure.
随便看	bidirectional data bus bidirectional microphone bidirectional printer bidirectional pulse-amplitude modulation bidirectional replication bidirectional transducer bidirectional transistor bidirectional triode thyristor Bieberbach conjecture bieberite Biebrich red Biedenharn identity Biela Comet Bielids Bienayme-Chebyshev inequality biennial plant Bierbaum scratch hardness test biface tool bifacial bifanged bifenox bifid Bifidobacterium bifilar electromagnetic oscillograph bifilar electrometer

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