查询词典 difficult problem

One is that how to demount the wheel and the output shaft that were too difficult to demount in the L60 vertical axial-flow fan s,the other problem is to test static balance about the wheel.

就L60立式轴流风机轮毂与输出轴难于拆卸的问题和叶轮静平衡测试问题进行探讨，并提供用自制的简易龙门架和静平衡装置的方法进行检修的经验。

But the major American problem is anti-submarine warfare, because even elderly diesel-electric boats have proved difficult to detect.

但美国主要的问题是反潜战，因为甚至陈旧的柴电潜艇被证实也难以发现。

Every time when the client mentions this problem, I do not know how to answer him to just be the most perfect, the essence that should make SEO of understanding of a dilettante person true after all is very difficult.

每当客户提到这个问题时，我都不知道怎样去回答他才算是最完美，究竟要让一个外行人理解SEO真正的实质是很难的。

Diophantine equation is an old problem, especially, its more difficult to apply primary method to resolve the problems related to Diophantine equation.

不定方程是一个古老的丢番图问题，特别是应用初等方法去解决不定方程的有关问题更是不宜；许多解法很简单也易看懂，但却不宜想到。

Diophantine equation is an old problem, especially; it's more difficult to apply primary method to resolve the problems related to Diophantine equation. There are many solutions, which are very simple and also easy to understand, but hard to think out.

不定方程是一个古老的丢番图问题，特别是应用初等方法去解决不定方程的有关问题更是不易；许多解法很简单也易看懂，但却不易想到。

In reliability-based optimization problems of a ship's longitudinal structural design, there are lots of discrete variables and continuous variables. This kind of mixed-discrete non-linear optimization problem containing discrete and continuous variables has long been payed attention to, which is more difficult to solve when a number of reliability constraints are taken into account.

在船舶纵向结构的可靠性优化设计中，含有许多离散型设计变量和连续型设计变量，这种含有两种不同性质设计变量的大型结构物的混和优化问题，一直是人们瞩目的难题，尤其是考虑了多个可靠性约束条件之后，求解这种非线性优化问题就更为困难。

Trying to solve the problem of 'difficult to see a doctor and expensive to see a doctor' as a matter of fact is to treat means as the goal, which disproportionally uses tax payer's money to protect the interest of a smaller group of population, scarifying a larger group of population (relatively disease-free group).

解决群众反映较多的"看病难、看病贵"问题的做法实际上是把手段之一当成目的了。把手段之一当成目的的结果是不成比例地强调了一部分人的利益，侵害或牺牲了大部分人的利益。

On the other hand, the detection problem, which is one of the most difficult ones encountered in complex distribution parameter system, can be solved by computer vision and image recognition technology in certain cases.

许多生产过程都是高度复杂的动态系统，具有显著的非线性、时变性、空间分布性和不确定性，难以建立精确的数学模型，智能控制便在这种情况下应运而生。

This thesis presents a solution scheme of e-cash system. It focuses on solving some comparatively difficult problems in e-cash system: divisibility problem , and strives to improve the system efficiency.

本文提出一种电子现金安全支付系统的解决方案，主要解决往常电子现金系统中较难解决的问题："可分性"问题，并力求使系统的效率较高。

Lei Ji: Actually about this problem, I thought a lot of, will look from the history, in difficult economic period people thinks more it is how to spend least money, buy the goods with very tall amusement, actually our Dsi is such a kind of entertainment system, above you can use more than 850 kinds of different game, the most important is it has photograph mix like the head inside buy microphone, these are one dog-cheap and the article with recreational very high value.

雷吉：其实关于这个问题，我想了很多，从历史上来看，在艰难的经济时期人们想的更多的是如何花最少的钱，买到娱乐性非常高的物品，其实我们的Dsi就是一种这样的娱乐系统，在上面你可以使用超过850种不同的游戏，最重要的是它有摄像头和内置麦克风，这些都是一个非常便宜且娱乐价值非常高的物品。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。