There are many varieties and grades of paper materials, and whilst it is fairly easy to spot the varieties, it is far more difficult to spot the grades.
纸张材料有许多品种和等级，虽然很容易分辨它们的种类，但要分辨它们的等级就困难得多了。
Paper had already existed in China, but the process for producing it was difficult and the paper was of low quality.
中国已经有纸了，但是生产纸的过程很困难，而且纸的质量也很差。
When the original paper on such a link was recently discredited as a fraud, my friend's reaction was that it will now be more difficult to persuade people of the dangers of vaccination.
当认为自闭症与接种疫苗有关的原始文献被当做骗局不被信任，我朋友的反应是，游说人们相信接种疫苗是危险的将更加困难。
When using pros and cons to reach a difficult decision, many people find it helpful to divide a piece of paper into two columns, writing the pros in one column and the cons in another.
当人们认为在赞成和反对两者间很难做出决定时，很多人把一张纸分为两栏。
This paper examines some of the key characteristics that make software development difficult and error prone.
本文考察了一些使软件开发变得困难和容易发生错误的关键特性。
Although it is difficult to consolidate all of your life's work experience into one sheet of paper, it is definitely do-able and it is quite possibly the most important factor in landing an interview!
尽管在一张纸内把你所有的工作经历都填写进去有些困难，但是从中挑选出最有利于面试用的经验还是能够办到的！
On paper, women are four times more likely to be unemployed than men. But the reality is far more difficult to measure.
从理论上说，妇女失业的可能性是男性的四倍，不过实际情况相当难以测量。
It's very hard to know where threats are originating – country-wise and/or person-wise — because it's very difficult to go back and figure out the paper trail.
无论是从国家还是个人方面来说，查清楚威胁从何而来是非常困难的，因为很难追溯并查清书面记录。
He brings up the notion of “mottainai, ” a word that is difficult to translate into English yet explains why the Japanese save wrapping paper from gifts to use again and again.
他创造了一个词叫做“mottaina”，这个词很难准确地翻译成英文，而它的意思是要解释为什么日本人对包装纸会有一次又一次的循环再利用。
The differences in culture make translation very difficult. This paper analyzes the influence on translation from some examples of vocabulary and idioms.
文化差异给翻译造成很大的困难，文章用词语和习语典故方面的实例探讨了英汉两种文化对语言互译的影响。
This Paper Puts forward an automatic level coned system of static pile driver's body by using electro-hydraulic proportional technique to solve the difficult level control problem.
本文针对静力压桩机调平困难的问题，提出了一种采用电液比例控制技术设计的压桩机的机身自动调平系统。
The implementation of a complete non-intrusive flight test system is both difficult and beyond the scope of this paper.
完全实现一个非侵入性的飞行测试系统，实属不易，并且超越了本文的范围。
In the list does not contain non-coating of wood pulp for paper and paper with a glossy coating is difficult to choose between.
在不含木浆的非涂料纸张与具有光泽的涂料纸张之间选择很困难。
It has peen difficult for the people's learning foreign language, master and use vocabulary. The paper tells them several ways how to master foreign vocabulary.
学习词汇、掌握词汇、运用词汇，一直是困扰着外语学习者的难题。从多方面阐述了掌握外语词汇的学习方法。
The paper starts the study with the fundamental theory, analyzes the difficult points of FVM , and it's impact on internal control environment, risk control, control activities, etc.
本文从公允价值与内部控制的理论基础入手，分析了公允价值计量的难点，阐明了公允价值对控制环境、风险评估、控制活动等方面的影响。
The inertial object with uncertain coefficient is a class of difficult object, in this paper, an method of control based on the experiment rule for the Si-Mo Furnace is developed.
变惯性系数惯性对象是一类较难控制的对象，例如文中所述硅钼炉的温度控制问题，作者采用经验规则控制方法解决了这类对象的有效控制问题。
According to pedagogy, psychology and the theories in the book "on contradictions", this paper explores another teaching method-from difficult to easy.
以教育学、心理学及《矛盾论》理论为依据，提出由难到易的逆向教学法。
The temperature system is a class of difficult object, In this paper, an method of control based on the experiment rule for the Si Mo furnace is developed.
温度系统是一类较难控制的对象，例如文中所述硅钼炉的温度控制问题，作者采用经验规则控制方法解决了这类对象的有效控制问题。
A paper in all the difficult questions at all difficult questions, as well as the proportion of the final decision will be a difficult test.
一份试卷中各个试题的难度以及各级难度试题所占的比例将最终决定一份试卷的难度。
This paper discusses two problems: the market environment in which fair value is applied and the basic reason why it is difficult to apply fair value.
本文论述了公允价值运用的市场环境以及公允价值运用难的根源两个问题。
The paper introduces the study of technology of face recognition and describes three difficult problem of application.
论文首先介绍了人脸识别技术的研究内容以及现状，指出了影响人脸识别技术应用的三大难题。
This paper also develops a fuzzy competitive learning scheme for these new reference vector parameters, and applies the algorithm to the difficult task of clustering documents.
针对新的参考向量开发了模糊竞争学习模式，并用该算法成功地解决了文献聚类的难题。
Based on literature, questionnaire survey, statistics and other methods, the paper analyzes the athlete's difficult movements in 2009 adolescents Wushu club competition.
文章采用文献资料法、问卷调查法、现场观察统计等研究方法，对2009年江苏省青少年武术套路俱乐部比赛运动员难度动作进行统计。
The problem that it is difficult to identify the structure of thin interbedded reservoir is studied in the paper.
针对薄互层储层结构难以识别的问题进行了研究。
The paper focuses on the key and difficult technical problem of crest overflow of concrete face rockfill dam, analyses and researches spillway on dynamical and static stability.
本文针对溢流混凝土面板堆石坝坝顶溢流的关键技术难题，分析研究了溢洪道的静力和动力稳定性。
In this paper, the success rate of cutting root for difficult rooting plant was discussed six factors of influence of root and solving ways were summarized.
本文对提高难生根植物插条生根成功率进行了探讨，并总结出影响生根的六个因素及其相应的解决措施。
It is often difficult to discern the truth of an event from a news paper report.
要从报纸的报导上去辨明一个事件的真实性是困难的。
It is often difficult to discern the truth of an event from a news paper report.
要从报纸的报导上去辨明一个事件的真实性是困难的。
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