主要问题

This paper points out main disadvantages of mining technology being used in small collieries and discusses how to adopt long room system to reform the current technology of mining.

论述了目前小煤矿开采技术存在的主要问题，探讨了采用长房式采煤法改革小煤矿开采的技术问题，此法适用于条件合适的小煤矿。

On the base of analyzing the status quo of water conservancies in our country, this paper points out the main problems, and emphasizes that the lack of a set of scientific and rational evaluating method is the most vital reason for all the problems.

在对我国水利工程建设情况简要论述的基础上，分析了其中存在的主要问题，并指出造成我国目前水利工程建设诸多问题的一个重要原因就是在方案规划、评价选优的过程中缺乏科学合理的评价手段，从而造成政府决策上的失误。

The economy remains a major issue, with 45% of Americans approving of the way Bush is handling the economy and 53% disapproving.

经济问题仍然是主要问题。有45％的人支持布什总统的经济政策，而高达53％的人反对。

The problem existing in the psychological health education cannot be ignored.Faced with the situation, this thesis discusses and does research on strengthening and improving College students' psychological health education from the following three parts. The first part illustrates the definition, history development and future tendency of College students' psychological health education. Meanwhile, it emphasizes the importance and necessity of College students' psychological health education. The second part illustrates the current situation of College students' psychological health education both home and abroad and subjectively introspected.

面对这一现状，本文分三部分对加强和改进大学生心理健康教育进行了相关论述和研究：第一部分阐述了大学生心理健康教育的涵义，历史发展及未来趋势，同时强调了大学生心理健康教育的重要性与必要性：第二部分阐述了大学生心理健康教育的国内外现状并进行客观反思，重点指出大学生心理健康教育中存在的主要问题，并分析这些问题产生的原因：第三部分，这是本文的重点部分，也就是如何加强大学生心理健康教育。

ABSTRACT Motived by the status of theoretical studies and the requirements of engineering applications in the fuzzy control system, the characters of fuzzy logic systems are analyzed, the mathematic model of a class of fuzzy logic system is built, especially the ways how to use the model to identify the nonlinear dynamic system and design the adaptive control system are researched deeply in this paper.

本论文根据模糊控制理论研究的发展现状、存在的主要问题以及工程实际应用的基本要求，分析了模糊逻辑系统的特性，建立起一类模糊逻辑系统的数学模型，并对其用于非线性动态系统辨识与自适应控制系统设计方法等方面进行了深入的研究，为解决某些传统方法难以解决的工程实际问题提供了新的思路。

Major concerns of high-temperature conditioning by expansion prior to pelleting are the destruction of nutrients, particularly enzymes, vitamins, amino acids and direct-fed microbials.

与制颗粒相比较，膨化的高温调质引起关注的主要问题是对营养的破坏，特别是酶、维生素、氨基酸和直接饲喂的微生物，通过日粮强化或敏感营养制粒后添加可以解决这些问题。

That is the imperfection of the property rights of collective-owned land system and defects of the current land requisitions policy.

本文首先指出了我国现行征地制度存在的主要问题，并在借鉴国内外市场经济国家／地区土地征用的有益经验和制度的基础上，较为深刻地剖析了这些问题产生的根源，即集体土地产权体系和我国土地征用制度自身的缺陷。

Among them, the major one is loan risk such as high default rate and the bank\'s Credit Stinting, and consequently many qualified applicants can not receive the loan aid.

但是国家助学贷款在运行过程中遇到诸多问题，其主要问题之一是贷款风险，表现为贷款拖欠率高、银行惜贷，许多符合条件的申请人得不到贷款资助。

In essence, therefore, both of these elements in Porter's analysis are subsumed by modern value chain analysis.

主要问题是术语的混乱之一，而沃克和琼斯指出这他们的有关对生产有影响的工作中的问题。

So, it is a problem, major problem.

因此说，这是个问题，是个主要问题。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！