empiric parameter 中文意思是什麼
empiric parameter
解釋
經驗參數-
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。
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