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。
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。
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。
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 principle about Redox Reaction is a main clue through the knowledge system of all the junior and senior Chemistry, which is the teaching emphasis and the difficulty.
氧化还原反应原理是贯穿中学化学知识系统的一条主线，是中学化学教学的重点和难点。
Judging whether the changing process of a certain state is spontaneous is the priority and difficulty of physical and chemical teaching.
判断某个状态变化过程是否自发，是物理化学课教学的重点和难点。
The limit was the key point and the difficulty of the teaching of fluxionary calculus , this article summarizes application mathematics software MAPLE in the limit teaching.
极限是微积分的重点和难点。本文简述了数学软件MAPLE在极限教学中的应用。
However, the teaching of classical Chinese prose has been the difficulty in language teaching in junior high school, the teaching situations nowadays are not so optimistic.
但是文言散文教学一直是初中语文教学中的难点，教学现状不容乐观。
The differences of Chinese and English thought patterns expressed in their structures formed the major difficulty in the foreign language teaching.
汉英思维方式及其句子结构的差异构成外语教学中的主要障碍。
Motion control system, with the characteristics of high practice, rapid update and great teaching difficulty, etc, is the core curriculum of electrical automation major in college.
《运动控制系统》是高等院校电类自动化专业的一门核心专业课程，具有实践性强、内容更新快、教学难度大等特点。
This is in part because the perceived difficulty of courses varies so much by discipline: in general, academics teaching quantitative subjects tended to receive lower ratings for ease.
这有一部分要归因为不同学科难易程度相差太大：通常情况下教定量学科的老师在“容易程度”方面得到的分数要低一些。
In the course of teaching Chinese as a second language, we often find learners have much difficulty in understanding Chinese and in expression themselves.
在对外汉语教学过程中，学习者会出现多种汉语理解和表达障碍，这时准确地判断障碍及其成因，将为有效地排除障碍打下良好的基础。
In the course of teaching Chinese as a second language, we often find learners have much difficulty in understanding Chinese and in expression themselves.
在对外汉语教学过程中，学习者会出现多种汉语理解和表达障碍，这时准确地判断障碍及其成因，将为有效地排除障碍打下良好的基础。
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