作业分析

The mechanism of soil erosion at different degrees was expounded,which was caused by different cutting methods, skidding method s,and cutover land cleaning methods in forest operation techniques.

本文分析森林作业技术中不同采伐方式、集材方式和迹地清理方式造成的不同程度水土流失的机制，提出防止因森林作业而导致水土流失措施：合理选择采伐方式，避免大强度采伐，选择对土壤破坏小的集材方式，使剩余物对雨水保持截持作用的迹地清理方式。

This is the fourth assignment in a five-part, semester-long project.

这是本学期案例分析专题作业中五部分的第四份作业。

Also re-estimate le- ad battery's operating environment and also find out the common in between different lead battery fac- tory, position, gender, and employee's blood lead and hemachrome concentration, liver function expo- nent.

本研究将以变异数分析研究血中铅浓度在不同工厂别、作业别、性别间、工作月数是否达显著差异，并了解在不同作业类别间，何类别之员工血中铅浓度最高。

Third, study on the environment of agricultural mechanize development in Shanxi province.

利用定性和定量的方法，研究了农机化同国民经济之间的关系；利用灰色关联度分析方法，研究了农机化对农业经济发展的影响；建立了农机化发展影响的多因素逐步回归分析模型，分析了影响山西省农机化综合作业水平的主要影响因素；对山西省未来农机化发展条件的变化进行了分析展望，具体测算了影响山西省农机化发展的相关指标未来发展水平。

Based on digital cadastral surveying, the paper discusses Standard Operation Procedure of Cadastral Surveying by studying on cadastral investigation mode in Gulin county. and determines the general procedure of property investigation, priciples of land parceling and cadastral coding, and the investigation way of differrent land types. With field data collection and indoor work processing, the new cadastral map in Gulin county with the scale of 1:500 which meets the precision requirement. has been finally plotted.

本文正是在此基础上，从数字化地籍测量的角度出发，通过对古蔺县建成区和规划区的地籍调查作业模式的研究，探讨了标准地籍测量作业方法，并确定了权属调查的一般流程和宗地划分原则，地籍编号原则，以及社界、地类、农田的调查方法，通过对外业数据采集和调查所获取数据进行内业处理和精度分析，最终编制了满足精度要求的1：500比例尺古蔺县地籍图。

Secondly, a JDF-based integration solution for pressroom is presented, the main functions of the important components and the key technologies of JMF messaging between components are analyzed.

分析JDF作业、SQL数据库和网络模式的特点，详细论述了在B/S的网络模式下，将JDF作业置入到Microsoft SQL Server 2005数据库中的几个关键技术。

According to the working characteristics of high-speed railway station, the principles to track using are formulated. Regarding the system of receiving and dispatching trains as a queuing system, the working process of making track plan is studied through analyzing the working process of queuing system. Moreover, the adjustment principles and measures for track plan are studied, and then the working process of making the adjustment plan on track using is set down.

根据高速铁路车站作业特点制定了到发线使用原则，并把车站接发车系统看作一个排队系统，通过分析排队系统作业过程研究了编制到发线运用计划的工作流程；进而研究了当列车运行波动时，到发线运用计划的调整原则和调整方法，制定了编制到发线调整计划的工作流程。

This paper analyses the cleaning tasks of the road sweeper which has special chassis and hydraulic control, then the joint control scheme of linkage and single-acting is drawn up. This article designs the software and hardware for the control system based on the core of AT89C52, and achieves the purpose of the control of the cleaning tasks. Then, the performance of broom is researched by experiment and in theory.

本文分析了专用底盘全液压清扫车的清扫作业任务，确定了联动和单动相结合的控制方案，设计了以AT89C52单片机为核心的软硬件控制系统，实现对清扫车清扫作业任务的控制。

On the basis of the characters of taking-out and placing in shunting on actinoid private lines, the best schedule of taking-out and placing-in of wagons of several non through trains arriving at the railway station successively is analyzed. Collection and delivery shunting being treated as within one integrated system, a mathematical model is established with the objective to minimize the detention vehicle hours of wagons at a station.

基于放射形专用线取送车作业的特点，针对非直达车流取送车问题中，多列列车相继到达车站时，对如何确定合理的取送车顺序进行分析将取送车作业作为一个系统进行整体考虑，以货车在站停留的总车小时消耗最小为优化目标，建立数学模型。

The content of this thesis contains the overview of the waste incinerator site selection problems and multi-criteria decision making theory, the development of a flamework for multi-criteria siting selection process, the establishment of evaluation factors, the completement of an expert decision support system for a waste incinerator site selection model, and the empirical application of a real world waste incinerator site selection existing in Taichung City.Keywords : NIMBY Facility、 Expert Decision Support System、 Combinatorial Optimization Mathematical Programming Models、 Multi-criteria Decision Analysis、 Analytic Hierarchy?Process 、Multi - attribute Utility Function MAUF

先以区位可行性筛选方式进行分析，并结合数学规划模式与多属性效用评估方法进行垃圾焚化厂区位选择之多准则评估作业；（3）评估项目阶层架构之研拟，并由专家问卷获得评估因子权重值及评估指标操作定义，以进一步建构专家知识库；（4）建立一焚化厂区位选择专家决策支援系统，以辅助规划及决策人员进行垃圾焚化厂区位选择之方案评估作业；（5）最后针对台中市设置垃圾焚化厂设施的区位选择问题进行本专家决策支援系统之操作。

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。