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中国的无霜期
释义
中国的无霜期
Encyclopedia
理学
中国的气温
释
frostless period in China
中国的无霜期
一年内终霜日与初霜日之间的持续日数。一年中春季最后一次出现白霜的日期称终霜日,秋季第一次出现霜的日期为初霜日。无霜期长短不含初、终霜日,各年的无霜期差异很大,通常以其多年平均值表示。
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permatron
permeability
permeability blind zone
permeability calculation
permeability coefficient
permeability determination method
permeability effect
permeability heterogeneity intensity
permeability, magnetic conductivity
permeability measurement
permeability of biological tissue
permeability of concrete
permeability of drug
permeability of free space
permeability of ore
permeability of shelterbelts
permeability of soil
permeability of soils
permeability of vacuum
permeability of wood
permeable membrane
permeable rate of rock mass
permeable reactive barrier
permeable reactive barrier technology
permeameter
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