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permeability of shelterbelts
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permeability of shelterbelts
Encyclopedia
农学
林带透风系数
释
permeability of shelterbelts
林带透风系数
当风向垂直于林带时,背风面林带高度以下空间的平均风速与本地区旷野同一高度平均风速之比。以小数或者百分数表示,是评价林带防风效应优劣的重要参数。与疏透度,即林带纵断面的透光面积与其纵断面的总面积的比值相关。又称透风度。
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Ti-getter
tight
tight binding approximation
tight-binding approximation
tight-binding approximation, TBA
tight binding method
tight-binding method
tight binding model
tight blasting
tight closure
tight contact structure
tight coupling
tight-coupling approximation
tight-coupling limit
tight design
tightened inspection
tightened sampling inspection
tightener
tight family of distributions
tight family of measures
tight frame
tight gas
tight immersion
tight integrated navigation
tight ion pair
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