查询词典 difficulty

Aiming at difficulty of weak impactive roller bearing fault feature extraction of composite faults, a demodulation method based on the second generation wavelet and the empirical mode decomposition is proposed to separate the coupling features of a composite fault and to extract the fault feature of a roller bearing.

针对复合故障中滚动轴承微弱冲击性故障特征难于提取的问题，提出基于第二代小波和EMD的解调方法，进行复合故障的耦合特征分离和轴承损伤性故障微弱信号的特征提取研究。

As one kind of basic social security project, the unemployment insurance became the main form to guard against unemployment risk and provide personal lives into sour cities inhabitant, but also displays the contradiction including the legislation level lowly, the difficulty to imposture by expanding, the fund capturing rate lowly, the lack of fund, the sucking management and so on. Unemployment is easier than the inflation to cause the social turmoil.

从1950年的《救济失业工人暂行办法》，1986年国务院发布的《国营企业职工待业保险暂行规定》，1993年的《国有企业职工待业保险规定》，至1999年1月22日颁布的《失业保险条例》，经过40多年的实践，我国失业保险制度由不规范走向比较规范，从计划走向市场，解决了许多实际问题，取得了一定的成绩。

But this difficulty merely emphasizes the impracticability of the proposal.

这种困难，显然表明了平准价格的提议行不通。

Now I have great difficulty in making you understand my answer to this.

现在或许我会很难让你们明白我的回答。

It is a difficulty to guarantee the high quality for bulk concrete construction in the high temperature weather .

在高温天气如何保证要求高的大体积混凝土的施工质量是一个难题。

I don't think there have any difficulty conversation with foreigner in english.

我不觉得用英语与外国人交谈有什么困难。

I do not understand: What is the difficulty in

我一点都不明白：这有什么难的？

A: But I think he is really in difficulty this time.

但这一次我看他是真的遇上困难了。

I won't forget the favor you did for me when I was in difficulty.

我永远不会忘记在困难时你给我的帮助。

It's up to you to help those in difficulty.

你们有责任帮助那些有困难的人。

"Second Life is remarkably easy to work with, and is very popular,"

"第二次生命是显着容易的工作，并且很受欢迎，"

For example, we usually assume that materials are homogeneous and isotropic and free of internal defects or flaws.

为了得到适合有限元分析的模型，我们必须经过如图2所示的简化步骤。