catchment zone 中文意思是什麼
catchment zone
解釋
集水區域-
Flora of seed plant in riparian zone of xiangxi river catchment in three gorges area
神農架國家級自然保護區毛茛科植物的區系分析 -
However, it lacks runoff data in absolutely most areas where culvert and small bridge locate. some traditional design method, such as the methods of statistic zone parameter, modification by catchment area, rainfall - runoff, reasoning formula and empiric equation et al, are used to estimate flood flow through culvert or bridge
然而，絕大多數中小橋涵所在地卻沒有可利用的徑流資料，通常採用統計分區法，面積改正法、暴雨徑流法、推理公式和經驗公式等傳統設計方法，這些方法一般比較繁瑣、精度較低、設計的流量偏大，導致工程造價偏高而浪費資金。 -
The establishment of the north western water control zone in april 1992 enabled the epd to do the same for villages in the tung chung river catchment area
1992年4月，西北部水質管制區正式成立，環保署亦開始在東涌河集水區一帶執法，要求各鄉村遵守規定消減污染。
分享友人