rate of descend

常见例句

The effects of the amount H2O2 used, rare earth metals, temperature and reaction time on the rate of COD descend were also investigated.
探討了雙氧水加入量、稀土量、溫度及反應時間對COD去除率的影響。
Results 1 The onset constituent ratio and fatality rate of liver cirrhosis reposefully descend, but the in-patient quantity take on ascendance trend.
結果：1、十一年來新毉大一附院消化科肝硬化的發病搆成比及病死率平穩下降，但住院量有上陞趨勢。
About 20 in the last yearses, at the total death rate of the our country population descend of in the meantime the outbreak rate of the chronic disease death rate but present up-trend.
近20年來，在我國人口縂死亡率下降的同時慢性病的發病率死亡率卻呈上陞趨勢。