查询词典 impress sb. with sth.

It didn't take me long to do sth.

做某事没有花我多长时间。

Take the ~ to do sth.

做某事有困难

Take trouble to do sth.

不辞劳苦的做。。。

Take measures to do sth.

我们必须采取有效措施来改进我们的工作。

Take a trouble to do sth.

可以表示有困难做某事吗？

D take trouble to do sth.

做某事不嫌麻烦

Take great trouble to do sth.

不辞辛劳的做某事

Take turns to do / doing sth.

轮流做某事

Take turns to do/doing sth.

依次/ 轮流做某事

Take turns doing sth.

轮流做某事。

The article adopts MATLAB software to calculate and analyze solar energy collector adding fast gas water heater dynamic load from utilizing solar energy angle by different water norm index condition and special whether information in shanghai. From those calculation results can get hourly heat collecting temperature to calculate gas consumption. The paper also analyzes the needed gas amount in system and the corresponding change cost in order to evaluate the best configuration scheme when change collect area and heat storage water tank volume.

文章从太阳能热利用的角度出发，以太阳能集热器加快速式燃气热水器的组合为系统基本配置，在不同的用水定额指标情况和上海的特定气象资料下，采用MATLAB软件进行了动态负荷计算与分析，得出逐时集热温度，并以此为基础计算燃气耗量，分析了改变集热器面积，蓄热水箱体积，系统所需要的燃气量以及相应的费用变化，从而评价出最佳配置方案。

In addition, the effects of the pH value of the buffer system, the concentration of the CD and the voltage on the chiral separation were investigated.

在以CM-β-CD为手性拆分试剂的基础上，还考察了各种因素诸如流动相的pH值、环糊精的浓度以及电压对分离的影响。