难点

Design of digital filter is important and also difficult in the teaching of Digital Signal Processing.

数字滤波器设计是教学中的主要内容之一，同时也是教学中的一个难点。

In the design of digital system, improving speed of the system is one difficulty.

在数字系统设计中，提高系统的运行速度是设计的一个难点。

The lowering of mining dilution ratio and loss ratio is one of major difficulties in front of mining researchers.

采矿贫化率与损失率的降低是采矿工作者重点研究和攻克的难点之一。

The author emphatically explores the course of all-round development of man, then further probes into dimension of theory, history and reality, and finally concludes that free and full development of ability was the pattern of all-round of man.

导论部分主要阐明了选题的根据和意义，详细清理与总结了人的全面发展的研究现状、理论成果及不足，说明了研究方法，并概括了全文的重点、难点、学术目标及创新点。

Mathematical logic is one of the difficulties of "Discrete Mathematics".

数理逻辑是《离散数学》的难点之一。

The disequilibrium resulted from the speculation of the stock investors is one of the tough problem in China stock market.

提要：股票投资者的投机行为及其所导致的股票市场的非均衡，是股票市场存在的难点之一。

The article anatomizes the systems limits based on the research to the running effect of it, clarifying framework problems and operating difficulties in theimplementing process. It also carried out sensible exploration mainly from the point of the weakness of international example, disjointedness in financial management and business development, the limit of financial staff quality, the difference of performance index, the vacancy of financial management main body etc. The conclusion is that it must be improved for enterprises to win value-added service from financial information support in competition, and be able to supervise the status of implementing cooperate strategy and progress of operation goal realization, sequentially, improve core competitiveness.

本文在针对构建财务集成系统运做研究的基础上，对局限性进行了深入的剖析，理清目前财务集成在实施操作过程中的框架性问题和操作运行难点，主要从国际母本缺陷、财务管理与业务发展脱节、财务人员素质局限性、指标体系的差异、财务监督主体缺位等角度对其形成原因进行了理性探讨，认为必须进一步加以改进才能使企业在竞争中获得来自财务信息支持的增值服务，能够全程监控企业经营战略的实施情况和经营目标的实现状态，进而提高企业集团的核心竞争力。

Difficulties: Closely contact to reality and use familiar examples to guide students to analyze and understand the three basic aspect and prevention measures of the dispread of infectious diseases.

重点：传染病流行的三个基本环节及预防的措施。难点：密切联系生活实际，用身边的事例来引导学生分析，理解传染病流行的三个环节以及预防的措施。

It is a point and disputed issues in the field of evolutionary biology in the past 100 years.

在过去的100多年中这个问题一直是生物学研究领域的一个热点、难点。

This disquisition will combine the practical case to analyse and discuss the difficult problems.

本论文将结合实际案例，针对难点问题进行分析与探讨。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷