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This paper introduces a survey of the study coal ash- fusibility and describes the main points in detail.

介绍了国内外有关煤灰熔融性研究的现状，并对研究重点进行了分析。

PL2-1 was found to be a galactan, whose main chain consists of (1→4)-linked galactose, and a few of 1→3, 6 linkage, as branched points, arranged in the interval 1→4 linkage between. Some of them were located at the end of unreduced group.

实验结果表明，PL2-1为半乳聚糖，主链和侧链主要以1→4位键合，少量以1→3，6位键合的半乳糖构成主链分枝点，间隔排布于1→4位键之间，13.0%的半乳糖位于非还原末端。

The main points are as follows: 1 Experiment research The throwing system structure of the Airborne dispenser has been designed according to the technical target,including the external-combustion type gasbag .

主要内容如下： 1 结构设计和试验研究根据技术指标完成了机载布撒器系统的结构设计，并对抛撒系统的内弹道性能和抛撒性能进行了试验。

One of key research issues in Reverse Engineering is the geometric modeling of complex surface. Extracting boundary of complex surface from ",points cloud", is a main step.

复杂曲面零件表面的几何模型构造是反求工程的研究重点之一，根据零件表面的数字化数据提取零件表面的边界是构造零件几何模型的关键步骤。

The research of this dissertation is just under the above conditions and the main points go as follows

本文的研究正是在以上背景下展开，具体内容如下

The main points of this paper go as follows:(1) The overall system structure.

本文基于J2ME技术，以计算机网络游戏的运行流程为基础，分模块开发一款网络五子棋游戏软件。

The exist defects of the SQL 950 granulator were pointed out, the modification direction and maintenance main points were put forward.

指出了SQL 950切粒机存在的缺点，提出了改造方向和维护要点。

Based on the sociological explanation of the group, it points out that the vulnerable group in the field of law is the right unprivileged group in essence and makes a normative analysis of the main body, contents and qualities of the group.

在弱势群体社会学解释的基础上，本文指出法学解释中的弱势群体实质就是权利弱势群体，并对弱势群体权利的主体、内容、性质作了规范分析。

In Chapter 1,we introduce the related results of fix points of group actions on 4-manifolds theory and the main achievements in classification of 4-manifold by some mathematicians.

第一章首先介绍了4-流形在群作用下不动点理论的相关结果，同时介绍了国内外学者在4-流形的拓扑分类方面的研究成果，并在最后介绍了本文的主要研究工作。

Main creative points of the thesis are as following:1. It is the first time to apply 2-D and 3-D turbulent model of the air-water two phases flow to the study on hydraulic properties of groyne. It makes description of the turbulent flow field to be possible precisely. This offers a more accurate method to determine the water surface in channel improvement.2. Based on the results of experiment and simulation for 3-D turbulent model of air-water two phases flow, a new formula to compute the height of damming is built.3. Based on the 2-D mode and the formula to compute the height of damming, the subdivision method of 2-D computation for water surface at upstream and downstream.

本文的创新工作主要是：首次将三维水气两相流紊流数学模型应用于丁坝水动力学特性研究，使丁坝附近流场和紊动场的精细描述成为可能，为航道整治中水面线确定提供了一个更为准确的方法；(2)基于水槽实验和三维水气两相流紊流数学模型数值模拟结果，建立了新的丁坝前奎水高度计算公式；(3)基于上述奎水高度计算公式和本文二维水面计算数学模型，首次提出了丁坝上下游二维水面分段计算方法。

The witness also told the jury at the Royal Courts of Justice in London that he saw a paparazzo fighting with a member of the public who was trying to stop him taking pictures in the minutes before the emergency services arrived.

他还告诉在伦敦皇家法庭的陪审团，在急救服务到来之前，他当时看见一个狗仔队正和一群阻止他拍照的人打架。

The entire N／C program on a tape is made up of an accumulation of these successive data blocks.

纸带上的整个数控程序由这些连续数据单元连接而成。