查询词典 difficult problem

Difficult clinical problem in periodonticprosthodontic therapy induded the knowledge of furcation anatomy, diagnosis and treatment of an involved furcation.

牙周补缀治疗上较困难的临床问题主要是和臼齿根叉解剖形态、根叉齿槽骨病变的诊断与治疗。

Difficult clinical problem in periodonticprosthodontic therapy induded the knowledge of furcation anatomy , diagnosis and treatment of an involved furcation.

摘要牙周补缀治疗上较困难的临床问题主要是和臼齿根叉解剖形态、叉齿槽骨病变的诊断与治疗。

Both teachers and students have a difficult problem—how to gain access to the up-to-date reference books.

教师和学生都有一个困惑的问题——如何才能看到最新的参考书。

It is difficult to resolve the problem of address name diversity by traditional method of character words matching and dictionary or gazetteer matching.

传统的特征字匹配和字典匹配方法，难以解决地址要素命名的多样性问题。

Electromagnetic nondestructive testing on the quality of steel has been studied for many years and acquired a great deal of achievement. However there are many problems in the testing of hardness and cracks, and mess problem of work pieces. For example the traditional nondestructive testing is difficult for the hardness gearwheel roughcast, and the traditional artificial test means is comparative slowly.

用无损检测方法进行钢铁材质检测的研究工作取得了大量成果，然而对于钢材及其制品的混料、硬度和裂纹质量检测还存在许多难题，如用传统检测方法检测齿轮毛坯的硬度效果不够理想，而且人工记录方法较慢。

40Ar-39Ar method is the first one of the possible geochronology techniques to solve this difficult scientific problem.

油气成藏作用伴生的矿物种类少，主要为碳酸盐矿物，以及少量石英和黄铁矿等，这些矿物均不适合用传统同位素年代学方法进行年龄测定，因此，油气成藏年龄是同位素年代学尚未解决的一大科学难题。40Ar-39Ar法是可能应用于油气成藏年龄测定的首选同位素定年方法。

In terms of the problem that it s difficult for students to grasp the "debiting" and "crediting" signs and increase and decrease relationship in Debiting and Crediting Accounting Method in the teaching of Accounting Basics ,this paper introduces a new teaching method of "Gesticulation Method" to teach how to judge accounting direction,namely,direction of debiting and crediting.

针对会计学基础课程教学过程中学生对借贷记账法的"借""贷"符号与增减关系难以把握这一难点问题，介绍了一种新的教学方法——"手势比划法"，用以讲授如何判断记账方向即借贷方向。这种教学方法使学生能形象直观地理解和把握借贷记账法

The fundamental problem is difficult to get round.

基本的问题是分配上的困难。

This paper introduces the principle and history of Ultraviolet Disinfection Technology and its main functions, such as broad-spectrum sterilization,Effectively killing of giardiasis and Cryptosporidium Hominis, and advanced oxidation process,which respectively solved a difficult problem in water treatment domain, namely By-products of disinfection, threat of Giardiasis and Cryptosporidium Hominis, and refractory biodegradation organic compounds pollution.

本文概述了紫外线消毒技术的原理及发展概况，详细介绍了紫外线技术在水处理领域的三大功效：即广谱杀菌，有效杀灭贾第鞭毛虫和隐孢子虫，以及高级氧化功能，这些功能分别解决了水处理领域的三大难题：消毒副产物问题，贾第鞭毛虫和隐孢子虫的抗氯性问题，以及难降解有机物污染问题。

It has solved the technical difficult problem that tartary buckwheat flour lacking gluten can't to process it to noodle,which by means of pregelatinization technology of tartary buckwheat and using composite additives.

应用复合添加剂（魔芋微细精粉∶瓜尔豆胶∶黄原胶为3∶3∶2）和苦荞麦粉预糊化工艺，解决了苦荞麦粉无面筋无法加工挂面的技术难题。

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。