The tasks have been ranked in order of difficulty.

按照困难程度对工作进行了分类。

《牛津词典》

The texts should be graded in order of difficulty .

课文要按难易程度编排。

youdao

The tests in this book are arranged in order of difficulty.

这本书的试题是按难易程度顺序排列的。

youdao

And that's probably the simplest of all of them." The students first listed the problems in order of difficulty.

VOA: special.2010.03.11

It poses other kinds of difficulty, let's say; but in the case of fiction, in order to be engaged, in order to enter the hermeneutic circle properly, we need the element of surprise, as I say, as a way of distinguishing between fiction and nonfiction.

它的确带来了其它困难，我们可以这样说;,但是在读文学时，为了投入进去，为了合适地进入解释循环，我们需要“惊讶“这个元素，正如我所说，作为区分文学和非文学的一点。

耶鲁公开课 - 文学理论导论课程节选

And restrictive labour laws make firms reluctant to take on staff to meet a big one-off order, because of the difficulty of laying workers off later.

ECONOMIST: China has won; but so far, South Asia has not lost

Button said making predictions about the order of the teams at the first race in Bahrain on 14 March was difficult because of the difficulty of reading the times in testing.

BBC: Jenson Button says there is more to come from McLaren

For all the difficulty of doing a rigorous evaluation in order to improve teaching performance across the board, I suspect it is a whole lot easier to identify the worst teachers in the school.

FORBES: Getting Rid of Bad Teachers