概况

Firstly, this paper gives an introduction to the development of demographic structure, economy and vocational education in Xiamen.

本论文首先介绍了厦门人口结构、经济、职业教育的发展概况。

The investigation on depressant s of pyrrhotite at home and abroad is reviewed in this paper.

本文概括了与磁黄铁矿浮选电化学有关的几个方面的研究情况和国内外对磁黄铁矿抑制剂的研究概况。

The general application of FTV type colour plane detector used in power station is illustrated.

本文阐述FTV型电站锅炉火焰彩色电视监视装置在电厂锅炉上的应用概况。

This paper sets forth the historical periods of the development and application of primary explosive detonator, and discusses the development of some new types of detonators, points out its tendency and direction in the near future.

文摘：阐述了雷管各个阶段的发展概况，概述了目前几种新型雷管的研制、应用以及今后雷管发展的特点和趋势。

This paper describes latest developments of polarization gratings polarization characteristics and grating diffraction theory.

介绍了亚波长偏振光栅的发展概况与最新研究进展，亚波长偏振光栅的特点及衍射理论，并分别对金属亚波长偏振光栅和介质亚波长偏振光栅进行了分析。

The southern part of Kuche County is located to the south of Tianshan Mountain, the edge of diluvial fan and the area of alluvial plain.

自然地理概况库车县南部地区位于天山南麓、塔里木盆地北部的渭干河洪积扇扇缘及冲洪积平原地区，北距天山约120km，南距塔里木河10余km。

This article introduce the experimental study and the development of Dimethyl Ether operated on diesel engine.

本文介绍了二甲醚燃料在柴油机上的实验研究和发展概况。

This paper is devoted to studying the linear diophantine equation systematically under the ABS environment.

本文的研究工作分三个部分，首先介绍了ABS算法的研究进展和ABS软件的概况，其次对线性丢番图方程组的解法作了系统的阐述，最后给出了求解线性丢番图方程组的整隐式LU算法和整隐式LX算法并介绍了在ABS软件方面的部分工作。

The author first briefly introduces the history and development of direct marketing and pyramid selling both at home and abroad.

在介绍直销和传销在国内外发展概况之基础上，着重分析了直销和传销的关系，进一步指出了两个条例同时出台的原因。

OBJECTIVE: To introduce proteomics, to summarize the research of proteomics in directional differentiation of BMSCs, and to forecast the development of proteomics research methods.

目的：介绍蛋白质组学的概况，总结蛋白质组学在骨髓间充质干细胞向心肌、成骨及脂肪细胞定向分化方面的研究进展，讨论其面临的问题，并对蛋白质组学研究方法进行展望。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。