查询词典 difficult problem

The question of non-response often appears in survey sampling, and is one of the difficult problem to deal with.

在抽样调查中，无回答是经常遇到的也是比较难处理的问题之一，它的出现直接影响着估计的精度，调查中的无回答也一直是困扰调查统计工作者的一个问题。

The inversion of strong scatterer imbedded in the half-space is a practical, but very difficult problem of strong non-linearity.

半空间弹性波强散射源逆问题是一个实用而又难度很大的强非线性问题，而经典的Born迭代方法只适用于弱非线性问题。

The system has functions of self-check and inquiry and so solves the difficult problem that the self-failure cannot be found easily.

该系统具有自检、查询功能，很好地解决了遥控报警系统中普遍存在的自身故障不易察觉的难题。

It is important to cultivate pupils'writing interest and make them feel pleased to write in the equal dialogue. Fourthly, in views of the problem of composition's too lengthy standard, expounding how to regard composition feature, how to reduce the difficulties of the composition, and teacher how to demonstrate and instruct. Show pupils the methods of dialogue step by step, from self-deceiving to be practical and realistic, from easy to difficult, from simplicity to complex, and instruct pupils to carry on dialogue freely.

第四，针对作文写作要求太高的问题，把如何正确看待作文本身的特点、怎样降低写作难度和教师如何进行示范引导作为解决问题的主要手段进行了阐述，把循序渐进作为引导学生对话的方法，由自欺欺人说作文不难、到实事求是地告诉学生作文并不容易，由简单容易到复杂创造、逐步增加作文难度，由单纯指导到亲自示范、引导学生自由地对话。

In the government besides a lot of action, all sorts of semiofficial or what civilian orgnaization also is exploring obtain employment difficult problem is broken solution.

在官方诸多行动之外，各种半官方或民间机构也在探索就业难题的破解。

Problem: Serif fonts such as Times New Roman are more difficult to read on a computer monitor.

问题：在计算机显示器上，像 Times New Roman 一样的衬线字体，不便于用户的浏览。

This problem is too difficult for them to settle.

这对他们来说真是一个难解的问题。

The test of shock wave is a difficult problem in dynamic measurement.

冲击波的测试是动态测试中难度较大的测试问题。

The disposal of a dud in the shooting range is always a difficult problem, and it is never well solved till now.

对于靶场试射瞎弹的处理一直是一个难以解决的问题，至今尚没有得到妥善解决。

The problem of poverty is very difficult; we have just skimmed the surface in trying to solve it.

贫困问题非常棘手，我们对这个问题的解决还只是浅层次上的。

Many will continue to choose to live in duality and in conflict.

许多人将继续选择活在二元对立性和冲突中。

I find that students of the University of Physical Education all wear sportswear at first sight.

我发现：体育大学的学生乍一看，都是穿运动衣，大家都一样