decrease by

减少了多少:表示数量或比例的减少量。
常用释义
减少了多少:表示数量或比例的减少量。

例句

1·The accumulative coefficients of carps decrease by the rise of phenolate concentration.

鲤体随酚浓度升高,浓缩系数下降。

2·Alkaline treatment of wood flour makes flexural strength and flexural modulus of the composite decrease by 20.

木粉的碱化处理使复合材料的弯曲强度和弯曲模量分别下降20。

3·Its result is always the realization of the resistance decrease by enlarging space volume of karst passage way.

其结果都是以扩大岩溶通道的空间体积来实现阻力减小。

4·A similar situation occurred to social science and business which saw a decrease by 70% and an increase by 85% respectively.

差不多的状况发生在社会科学与商务这两门课程上,两者分别出现了70%的下降和85%的增长。

5·This five-year program stresses that energy consumption intensity per unit GDP shall decrease by 20% in the next five years.

强调未来五年单位GDP的能源消耗要降低20%。

6·Core simulation experiments showed that the pressure of water drive could decrease by 48% after surfactant drive (0.5 PV).

岩心驱油降压模拟实验表明,表面活性剂体系驱替0.5倍孔隙体积(PV),后续水驱替压力下降48%左右。

7·Compared with the same reaction catalyzed by AlCl 3, the yield increase by 4.3%, and the amount of AlCl 3 decrease by half.

该工艺与只用三氯化铝催化相比,三氯化铝用量减少一半,而叔戊苯收率提高4.3%。

8·Noss's efforts seem to be paying off. He says he has seen employee satisfaction rise and turnover decrease by a noticeable percentage.

诺斯的努力似乎已经渐收成效,他表示员工对公司的满意度大幅提升,员工跳槽的频率也明显降低。

9·And it speaks to what I said is my concern that Child Main Nutrition decrease by only 1 percentage point while economy cotinues to...grow -I see.

这也是我提过的我所关心的问题,经济还在高速增长的同时,儿童营养满足率,却掉了1个百分点,-我知道。

10·Also by that time, scientists say, global greenhouse gas emissions must decrease by 50 per cent compared to levels at the turn of the millennium.

此外,科学家们表示,到那时,全球温室气体排放量一定要比千年之交时的排放量减少50%。