Let's take the problems in a different order.

咱们换一个顺序来处理这些问题吧。

《牛津词典》

The stout barman in a bow tie presented himself to take their order. "Good morning, sir. The usual?"

那位系着领结的粗壮的酒吧男招待走过来请他们点菜。“早上好，先生。跟以往一样？”

《柯林斯英汉双解大词典》

It is a good idea to place your order well in advance as delivery can often take months rather than weeks.

早早提前订购是个好主意，因为交货常常要花几个月的时间，而不是几星期。

《柯林斯英汉双解大词典》

A waiter came at once to take her order.

VOA: special.2009.09.05

And all this is, is saying that when you take a mixed second derivative, it doesn't matter in which order you take the two derivatives.

麦克斯韦关系的本质是,当你考虑混合的二阶导数时，求导的顺序不影响最后的结果,现在，我们利用这些关系。

麻省理工公开课 - 热力学与动力学课程节选

And that in my mind is one of the upsides of taking a course like this, pass fail, in order to take the edge off.

在我心中,考查课是对这门课程的一大提升，这个课程是按照。

哈佛公开课 - 计算机科学课程节选

With the new Web-based software, creating a purchase order should take just a few minutes.

FORBES: Magazine Article

After saying in April that the worst of the credit crisis was over, he has steadfastly refused to take a licking in order to put Lehman's problems in the past.

FORBES: Magazine Article

One solution, proposed by Raymond Woosley, the Vice President for Health Sciences at the University of Arizona, is to carefully track the first 100, 000 patients who take a drug in order to look for higher rates of common health problems.

FORBES: FDA Fix No. 3: Track Side Effects