Non-slippage rolling of a rigid body is a difficulty of teaching of geostatics.
刚体无滑滚动的问题是刚体力学的一个教学难点。
Chinese characters teaching to foreigners is the difficulty of teaching Chinese as a foreign language, of which the current situation is not satisfactory.
汉字教学是对外汉语教学的难点，汉字教学的现状不尽人意。
The article has talked the difficulty of mandarin teaching and the effective way of spreading mandarin.
本文探讨了普通话教学的难点，以及推广和普及普通话的有效途径。
Through the analysis of technique to action of head and hand turn, put forward difficulty of technique , and key of power fix for form-stretch time, let it rational the course of teaching .
通过对头手翻动作的技术分析，提出该动作的技术难点，以及形成其动力定型的关键所在——屈伸时间，使教学过程更加合理化。
RSA, as a classical public key cryptosystem and a very important part of the cryptography, is the keystone and difficulty of the cryptography teaching.
RSA是经典的公钥密码体制，是密码学中非常重要的一部分内容，是教学的重点和难点。
Experiment is an important part of the course of power electronics technology. Because of the shortage of teaching time and experiment equipment, it causes difficulty to teaching experiments.
实验是电力电子技术课程的重要组成部分，但由于教学学时有限、实验设备功能和数量的不足，造成了教学实验的困难。
The physical ideas are the basic element of physical knowledge, the base of physics and is the keystone and difficulty of physical teaching.
物理概念是组成物理知识的基本元素，是物理学的基础，也是高中物理教学的重点、难点。
The flexible in structure and variability in meaning of Chinese idiomatic phraseare also the emphases and difficulty in teaching chinese as a foreign language.
汉语惯用语结构的灵活性和语义的变异性是惯用语在对外汉语教学中的难点和重点。
The difficulty does not lie in how to specify quota system of teaching quality evaluation, but in how to produce evaluation tools and fix the long-term influence on talent evaluation.
教学质量评价指标体系的确定并不难，困难在于评价工具的制作以及人才评价的长期效应的影响。
Objective to establish the difficulty degrees of 49 complicated knowledge points in Health Statistics with hierarchical cluster method according to the teaching syllabus.
目的依据教学大纲，用聚类分析确定《卫生统计学》49个复合知识点的难度等级。
Concern, conversion study difficulty living to be overall exaltation teaching quality, implement education for all-round development of demand.
关心，转化学习困难生是全面提高教学质量，实施素质的需要。
Quite when a part of teacher teaching still limited to the explanation grammar knowledge ﹑ key difficulty and so on.
相当一部分教师讲课时仍局限于讲解语法知识﹑重点难点等。
In this paper, carrying out a study about teaching controlling difficulty in the process of distance teaching system. This paper solves three problems.
论文对远程教学系统实现过程中的教学控制难点进行了研究，关键解决三个问题。
Longitudinal box horse straddle is a difficulty problem in the teaching of physical education in high school.
纵跳箱分腿腾越是中学体育教学中的难点问题。
The recessiveness processing of science method education brings the implementation of teaching a certain difficulty.
科学方法教育的隐性处理给教学的实施带来一定的困难；
Teaching of writing composition is the focal point and difficulty in the process of Chinese course.
作文教学是语文教学过程中的一个重点和难点。
A survey shows that the main difficulty in biology teaching of senior middle schools when we have research study is that teaching time is not enough and the experimental condition is not satisfied.
调查显示，高中生物教学开展探究性学习面临的主要困难是教学时间不足和实验教学条件不完善等。
Rational compositions are high in proportion in historical course of high school, causing the difficulty to practice of teaching, and the teaching result is influenced too.
高中历史课程中理性成份比例高，给教学的实践造成困难，教学效果也受影响。
However, the research of vocabulary teaching and learning in middle schools is often neglected due to its difficulty.
然而，中学阶段的词汇教学研究，由于其难度大，往往受到冷落。
Concerning the safety issue, I was afraid of having difficulty recruiting, but luckily people are passionate about any voluntary teaching trip.
担心安全问题，一开始我很怕没有人愿意和我一起去河南支教，幸运的是，同学们一听到是支教，都热情高涨。
English vocabulary teaching is not only the key point, but also a difficulty in English teaching of higher vocational colleges.
词汇教学是高职英语教学的重点，更是一个难点。
Many teachers in this part of the line is not very understanding, in teaching them a great deal of difficulty and confusion, but also to the teachers bring research opportunities.
很多一线教师对这部分内容不是很了解，在教学中给他们带来很大的难度和困惑，不过也给教师带来了研究的机遇。
The special factor which cause mathematical learning difficulty mostly include intellectuality, thinking factor, the skill of mathematical learning, teaching contents, teaching methods etc.
引起数学学业不良的特殊因素主要包括智力因素、思维因素、数学学习技能、教学内容、教学方法等。
The difficulty and unmotivated appearance of these algorithms has long led educators to question this curriculum, advocating the early teaching of more central and intuitive mathematical ideas.
无心的困难和出现的这些算法长期以来导致教育课程问题，主张早日教学更为重要和直观的数学思想。
Swimmming is a important in public course of social sports specialty. It is difficulty to accomplish teaching tasks because teaching hour reduced.
游泳是社会体育专业一门重要的必修课，由于教学时数的减少给完成教学任务带来很大困难。
The health care P. E. teaching is part of the P. E. curriculum in general higher institute, and also is a difficulty in the p.
保健体育课课程教学是高等学校体育课程的组成部分，也是高等学校体育课程教学的难点。
The biology lesson is abstract, some of the content is difficult, but students relatively lack of biological knowledge, which brings great difficulty to teaching.
生物课内容比较抽象，有些内容很难，但学生的生物知识又较为欠缺，这给教学带来很大难度。
The biology lesson is abstract, some of the content is difficult, but students relatively lack of biological knowledge, which brings great difficulty to teaching.
生物课内容比较抽象，有些内容很难，但学生的生物知识又较为欠缺，这给教学带来很大难度。
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