查询词典 difficult problem

For network topology optimization, as it is an NP hard problem, so it is difficult to resolve it with common methods.

对基于可靠性的网络拓扑优化设计问题，由于其为NP完全问题，因而很难用传统的方法解决。

The problem of getting rid of the nuclear waste has proved most difficult.

处理核废料是最困难的一个问题。

In the oil and gas production, the disposal of oily sewage is always a big and difficult problem.

在油气开采中，含油污水的处理一直是伴随油气生产存在的一大难题。

I have seen him solve one difficult problem after another.

我见到他解决了一个又一个难题。

Use you oodle, that problem isn't difficult.

用用你的脑子，其实这个题目并不难。

How to standardize enterprise's behavior of accounting policy choice in order to realize the transformation from opportunism to efficiency has been a difficult problem in field of accounting theory.

如何规范企业会计政策的选择行为，实现其从机会主义向效率的转变，成为会计理论研究的一大难题。

Young people the skills training can not be achieved overnight trained as professional teachers guzheng parents of children can not be over-anxious eyes too,"grading examinations" and ignore basic skills training for young people, long-term perspective and should look at the problem , to guide the young people and good basic skills training for young people learning difficult repertoire prepared.

青少年的基本功训练不是一朝一夕就能训练好的，作为专业的古筝老师不能因家长对孩子急于求成，过于看中"等级考试"而忽略对青少年基本功的训练，而应从长远的角度去看问题，重视并引导青少年训练好基本功，为青少年学习难点曲目做好准备。

How to realize the move of rural overspill, it is the great difficult problem of modernization.

如何实现农村过剩人口的转移，是现代化建设的极大难题。

There are some exceptions, but as a general phenomenon it is difficult to overstate the problem.

虽有一些例外，但是，作为一种一般现象，对此问题再强调也不算过分。

The propagation of partially coherent beams through an apertured paraxial ABCD optical system is an interesting but difficult problem encountered in practice.

部分相干光通过受光阑限制近轴ABCD光学系统传输是实际工作中一个十分有意义却是很困难的问题。

Pachomius manual labour was organized as an essential part of the monastic life; and since it is a principle of the monks as distinguished from the mendicants, that the body shall be self-supporting, external work of one sort or another has been an inevitable part of the life ever since.

根据圣pachomius体力劳动组织作为一个重要组成部分寺院生活；以来，这是一个原则的和尚，作为有别于乞丐，该机构应自支撑，对外工作的这种或那种已一个必然的一部分，生活至今。

In order to study the effects of parametrical rolling on the ship movement and tilts, in allusion to ship's navigating in regular following waves, the equation of ship rolling motion is transformed into normal Mathieu equation by proper variable replacement when strong parametrical excitation in restoring moment varied according to sine or cosine wave.

为研究参数横摇对船舶运动和倾覆的影响，通过对船在规则波上随浪航行时，恢复力矩中出现的1个以正余弦规律变化的强参数激励项进行适当的变量置换，将船舶的横摇运动方程转换成标准形式的Mathieu方程。