查询词典 difficult problem

It was a difficult problem on the optical correction, treatment and control for keratoconus patients.

目的：圆锥角膜是青少年时期屈光疑难病，其矫正、治疗和控制疾病发展是眼科临床难题。

outside labour force effect bringing into play in giving birth to a child in enterprise is more and more big, but labour service labor flowability maintains stable turn out and manages by enterprise more to have brought about a few harassments and the difficult problem.

外来劳动力在企业生产中发挥的作用越来越大，但劳务工流动性较大给企业维持稳定的生产和经营带来了一些困扰和难题。

Carefree campus life is hit to spell place to replace by nervous duty field, new people is faced with the duty field that this makes be in lacteal period enormous transition pressure, also brought a few difficult problem to service company at the same time.

悠闲的校园生活被紧张的职场打拼所代替，这使正处"断乳期"的职场新人们面临巨大的转型压力，同时也给雇佣企业带来了一些难题。

The content of processed technique require is upper.Among processed blind laneway fire accident is a very complex technical difficult problem.

处理的技术含量要求较高，其中处理矿井独头巷道火灾事故更是一种复杂的技术难题。

The detection and forecast for geological structure ahead of the tunnel and laneway is a very difficult problem in the world. Many applied researches based on the method of the seismic reflection wave have been done in our country from 1990, and many successful practical examples are obtained. At the same time, the detecting methods also have different problems.

自20世纪90年代以来，反射地震波法作为一种主要的超前探测技术在我国国内隧道及井巷工程中取得了诸多成功应用的探测实例，同时在应用中不同探测方法也存在不少问题。

In order to implement the fault diagnosis of Chongqing light-rail's screws,a new method of screw fault diagnosis based on Support Vector Data Description is proposed,which can found one-class classifier with normal screw samples only and doesn't need feature extracting.The method solves the difficult problem of lacking fault screw samples.

为了实现对重庆市轻轨轨道梁锚固螺杆的故障检测，提出了一种基于支持向量数据描述的锚固螺杆故障诊断方法，该方法只需要正常螺杆样本，且不需要对原始数据进行特征提取，就可以建立单值分类器，解决了缺少故障螺杆样本的难题。

Limekiln was developed 2005 2 class system, solved the difficult problem that puzzles limekiln for a long time to produce government.

在2005年开发了石灰窑二级系统，解决了长期困扰石灰窑生产管理的难题。

The solid modeling of the fillet on the intersection line of two cylinders is a difficult problem in CAD and CAM, all the soft wears have no such function.

圆柱体相贯线上的圆角表示方法是CAD和计算机辅助设计中众所周知的难题。

To deal with the difficult problem that 2000 ton coal liquescence reactors are hoisted when they are produced or made up,2000 ton assembled gantry crane is studied.

为解决国内化工行业重达 2 0 0 0t煤炭液化反应器的现场制造、安装等工程中的起重技术难题，对 2 0 0 0t拼装式龙门吊机进行了研究，优化主体结构，研制先进的台车走行、电气控制系统，使其性能优、投资省，为解决超大吨位设备的整体制造、安装难题提供有效的途径。

For the compressible materials, in order to satisfy the higher-order compatibility equation of the rate of deformation in the centered fan sector, which is a quite difficult problem unresolved in the previous studies, a particular term must be added to the expansions of the stress components in the regular logarithmic power series adopted by many researchers before. A higher-order near tip field with tangential velocity jump ahead of the crack tip is derived first, of which the dominant terms are the solution widely accepted.

对可压缩材料，本文首先采用非规则的对数幂级数渐近展开方法，克服了过去研究中存在的中心扇形区变形率协调方程的高次渐近式不能被满足的困难，并得到了一个切向速度在裂尖前方存在间断的高阶渐近解，该解的主项就是目前被广泛接受的关于可压缩材料的尖端场解。

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。