“permeability of shelterbelts”的概念、定义、翻译、参考文献-科学参考

单词	permeability of shelterbelts
释义	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。
随便看	water-cooled wall fouling water cooler water cooling water cooling of hydro-generator watercore watercourse watercress water culture water curtain water curtain for fire compartment water curtain system water cut water cycle water cycle change water delivery equipment water demand water demand management water demand of social and economic development water denitrifiers water depth of lake water diffusion due to kidney deficiency water discharge metering water disinfection water dispatch contingency plan water dispersible granules

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