水平投影面积

计算表明，反应器每立方米填料水平投影面积相当于直径为6.3m的沉淀池的面积。

The calculation shows , the horizontal projection area of every m ~ 3 filter is equal to the settling area of the settling tank which the diameter is 6.3m .

凹阳台、阳台按其水平投影面积一半计算建筑面积。

The space of recessed verand and tantilevered balcony is counted by half of the projection area .

房屋的基底面积是指建筑物底层勒脚以上外围水平投影面积。

The base area of the building is to show level of periphery of above of plinth of building ground floor is umbriferous area .

试验条件下，反应器每立方米填料水平投影面积（即创造的沉淀面积）相当于直径为6.3米沉淀池的面积。

On the experimental condition , the horizontal projection area of filter ( settling area be created ) in every cubic meter reactor is equal to the settling area of the settling tank which the diameter is 6.3m .

本研究提出的表征填料基本特性指标有效水平投影表面积比和短管填料有效水平投影面积增加倍数的概念及其计算方法，以及浊度去除的相关公式，对今后的研究具有较强的理论意义。

The two basic characteristic parameters of stub tube fillers ( Xe and Ke ), their calculation methods and the responsible calculation equations for the removal rate of turbidity have theoretical meanings for the further study of the related topics .

略论地籍测绘中土地球面积与其在水平面内投影面积的差异渤海湾盆地早第三纪水平面升降和全球海平面升降的不一致性

The Difference of Land Sphere Area and Its Plane Area in Cadastral Survey Inconsistency between Water-Level Change in the Bohai Bay Basin and Eustasy during the Paleogene