rate of descend
基本解釋
- 下降速度
英漢例句
- 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(yīng)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(jié)果：1、十一年來新醫(yī)大一附院消化科肝硬化的發(fā)病構(gòu)成比及病死率平穩(wěn)下降，但住院量有上升趨勢。 - 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，在我國人口總死亡率下降的同時慢性病的發(fā)病率死亡率卻呈上升趨勢。