概况

This paper adopted DRASTIC Method to analyze and assess the antipollution of the groundwater systems of 11 cities in Jiangxi Province based on their physical geography and geohydrologic condition.

本文简单介绍了江西省主要城市自然和水文地质概况，采用DRASTIC方法对11个城市的地下水系统防污性能进行了分析评价。

Summarizes the application and research conditions,technology and operation about key equipment and the studies on antisepsis materials in the aspects of development course,and application technology and scale.

从发展历程、应用技术与规模，综述了国内外的应用与研究及关键设备、抗腐材质的应用研究概况，分析了其存在的缺陷。

The regional geology and ore-forming condition in the Hongyang area, Zhenping are simply introduced. Alkaline rocks in the area are mainly composed of gray-black trachyte, and some breccia lava, syenite porphyry and syenite aplite.

中文摘要：文章介绍了镇坪洪阳地区的区域地质概况和成矿地质条件；碱性岩的岩性组合主要以灰黑色粗面岩为主、并含有角砾熔岩，正长斑岩、正长细晶岩等。

We want to discourage profiles,' an Apple PR tells me stiffly, apparently unaware she is waving a sackful of red rags at a herd of bulls," Appleyard writes."

"苹果不喜欢个性的员工，'我们想阻止概况，苹果公关生硬的告诉我，显然不知道她是挥舞满袋的红碎布在一群公牛，"亚德写道。

The purpose and significance of the thesis are clarified and the framework of the thesis is brought out. Chapter 2 gives an overall and systematical survey of the development of parallel processing systems. The computing model, program behavior, architecture selection and the performance of parallel processing on four classes of parallel processing systems—multi-processor, SIMD computer, pipeline computer and VLSI array processor are elaborated.

由此，本文的主要内容安排如下：第一章对自适应光学系统及其实现的意义作了简要描述，并着重评述了自适应光学系统的关键部件—波前图像处理机的研究概况，同时阐述了本文的研究目的和意义，进而给出了全文的基本结构框架。

Secondly, it introduce the general situation, establishment and developing process of Harbin Heating Power Co, then point out that there are many problems in this enterprise as aging basic facilities in supply prefecture, substantive heating supply arrear and confused management.

其次，介绍了哈尔滨市热力公司的概况、组织结构、建设与发展历程，指出了哈尔滨市热力公司存在着的供热辖区供热基础设施老化、巨额的陈欠热费、管理混乱等诸多问题。

Introduced a graphical method ﹑ simplex method ﹑ artificial variable ﹑ dual simplex method and the solution of several basic advantages and disadvantages.

本文初步阐述了线性规划产生的历史背景，发展概况，从线性规划问题问题出发，建立相应的数学模型，进而对线性规划有了更理性、更深层的认识。

This paper discusses the development situation of artificial neural network, and the neural network control theory.

本文首先论述了人工神经网络的发展概况和神经网络的控制理论。

Based on surveying the development of variable frequency power supply and analyzing its development tendency, and considering the practical features of the assignment, the conversion system is designed as follows: it selects the 3-phase Pulse Width Modulation Engine SA4828 as the PWM control signals generator; it chooses the single-chip-computer PIC16F877 as the microcontroller, which integrated the A/D modulation, which cuts down the complexity of the hardware system and strengthens the dependability of the system.

在论述和分析了变频电源及其控制技术发展的概况和趋势的基础上，结合本课题任务的实际要求，设计了一套中小功率的逆变电源。系统中PWM控制信号采用专用集成芯片SA4828生成，减轻了控制器的工作量也提高了系统的可靠性。控制器选用集成了A/D转换器的单片机，使得系统的硬件复杂性降低，提高了可靠性。

The development and significance of asteroid database are reviewed in this paper.

评述了近年来国际上与小行星相关的网络数据库的发展概况和意义。

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。