查询词典 system-wide

There are some questions such as forest fire model selection, forest fire model updating, verifying simulation accuracy and so on in traditional forest fire spreading system. Study purpose is to build an innovative forest fire spreading simulation system based on DDDAS in this paper. The system can increase precision of forest fire spreading simulation by model base, model selection, model updating and so on. It can provide a strategic decision for forest fire save and new technologies demonstration for other related field of research. The research encompasses several major topics:(1) This paper brings up the term of dynamic data driven forest fire spreading simulation system and supplies new research approach and thought for forest fire spreading simulation study. The system framework was brought.

本研究针对传统林火模拟过程中存在的模型手动选择难度大、模型修正数据获取效率低、模拟精度验证困难等问题，以DDDAS为林火蔓延模拟研究的技术范式，提出林火蔓延模拟全新的技术框架体系，解决模拟系统建设过程中的模型库建设与管理、模型适宜性选择、模型自适应修正、模拟过程实时验证等关键技术，建立林火扩散模拟和实际林火发展之间相互协作、共生的林火扩散动态模拟系统；提高林火蔓延模拟精度，将林火蔓延模拟真正应用到林火扑救指挥过程当中，在实践上为林火扑救指挥提供决策支持，在理论上为相关领域的空间扩散模拟研究提供新的思路和技术范式。

ParaBase system also shows that the technical plan for"YH-3"parallel database system is feasible and successful and provides important supports both in techniques and in prototype for the final implementation. Owing to the prototyped system the roundabout course in the final implementation of"YH-3"parallel database system may be avoided or lessened. In addition, this prototype system provides an ideal platform for further parallel database researches too.

ParaBase的实现在现有机器环境和数据库环境下最大限度地验证和支持了&半重写变换&模式实现并行数据库系统的思想并研究其实现效率；证明了&银河-3&并行数据库系统技术方案是可行的和成功的，并为&银河-3&并行数据库系统的最终系统实现提供重要的技术支持和原型支持，使系统实现时不走或少走弯路；此外，该原型系统为进一步研究并行数据库技术提供了一个实验平台。

After analysis of this situation, we use as a background SqlServer2000 database, Visual Stdio 2005 as the database system development tools, in particular, the data window can be convenient and simple manipulation of the intelligent object databases, first of all, the establishment of system modeling in a short period of time map, and then start building a database and written some of the common type system, ready to work in the foreword, and finally started the development of systems, system development of the initial problems encountered in the process of amendment and improvement, until the formation of a viable system of customer satisfaction.

经过分析如此情况，我们使用SqlServer2000作为后台数据库，Visual Stdio 2005作为数据库系统开发工具，尤其是数据窗口这一能方便而简洁操纵数据库的智能化对象，首先在短时间内建立系统建模图，然后开始建立数据库并写好系统的一些共同类，准备好前言工作，最后开始正式开发系统，对初始系统开发过程中遇到的问题进行修正与改进，直到形成用户满意的可行系统。

At present, a cheap, efficient and feasible hot-line sales system is in critical need. Against to the problem of old system in security, real time and upgrading, some new technics , such as System Develop Model, GPRS, Terminal OS, System Security and Data Backup, are applies to build a strong and smart system.

鉴于彩票销售系统的现状，急需推出一套廉价、高效并且可行的全热线销售系统，针对原有准热线系统的安全性、实时性以及维护升级等存在的弊端，提出了改进及改造的方案，同时探讨了其中用到的几点关键技术：前端、通信、后台、系统安全性以及数据备份手段等，最终实现全热线彩票系统的实施及应用。

Then it discusses a kind of concrete embedded system that has a hardware platform-TI MSP430 microcontroller and a real-time operation system-μC/OSⅡ. After that, this paper introduces the TI MSP430 microcontroller and μC/OSⅡ respectively, and describes this embedded system in detail. Then it describes how μC/OSⅡ can be planted to TI MSP430, and how a task run on μC/OSⅡ. At last the paper discusses the extension of network function of this embedded system in the meter-reading system of calorimeters.

然后着重讲解了具体的一种嵌入式系统—硬件平台为TI公司MSP430系列微控制器并在其上运行μC/OSⅡ嵌入式实时操作系统的嵌入式系统；随后，本文分别介绍MSP430系列微控制器和μC/OSⅡ嵌入式实时操作系统，讲解这种嵌入式系统方案的特点；然后，具体描述μC/OSⅡ的内核结构和如何移植到TI MSP430系列微控制器，和如何把某种具体应用分解成具体的任务运行于μC/OSⅡ。

After states of reference chaos system and the controlled system were obtained through tracking differentiators, the expected dynamic system was designed according to tracking performance demands, and certain order inverse of the controlled system was constructed by using inverse system theory.

通过微分跟随器提取混沌参考系统状态和受控系统状态，依照跟踪性能要求设计期望的动态系统，借助逆系统理论得到受控系统确定阶的逆，考虑幅值、相位调整和噪声抑制的需要设计滤波器。

On the basis of analyzing forecast model of current software reliability synthetically, reliability analysis and evaluation for the control software of servo system, and for the operating and aiming calculation software of fire control system of long-range rocket gun system are also carried out. Theoretically analyzing and designing the reliability qualification tests for the long-range rocket gun weapon system are conducted in this paper, and the correlative results of reliability tests during the development of the weapon system are counted and researched synthetically.

针对目前武器系统软件可靠性存在的问题，分析了影响武器系统软件可靠性的主要因素；结合武器系统软件寿命周期各阶段的工作内容、要求及质量变化规律，研究分析了提高武器系统软件可靠性的设计方法和测试与评估模型，在综合分析了现行软件可靠性预测模型基础上，对远程火箭炮随动系统控制软件、火控系统操瞄解算软件进行了可靠性分析与评估。

This article describes the design principle and design methods of liquid cargo and its stripping system,washing system,venting system,vapor emission control system, liquid cargo area fire fighting system,etc.

本文介绍了与化学品船液货装卸作业相关的液货与扫舱系统、洗舱系统、透气系统、蒸气回收系统、液货区域消防系统等系统的设计原则和设计方法。

At the same time, the system is integrated with many subsystems such as Home Safe Defense System, Door Access System, Perimeter Defense System, Building Video Intercommunication System, etc.

同时本系统集成了家庭安防系统、门禁系统、周界防范系统、楼宇可视对讲等诸多子系统。

At First, the thesis researches the dynamic characteristic of servo valve, model of dynamical outfit about valve control unsymmetrical hydraulic ram, influence of the additional disturbing force and the systematic static error, on the base of analysis of fatigue testing machine system. Then the mathematical models of position control system and force control system are built. According to the principle of load-matching, the hydraulic dynamical outfit and power source system are designed and components are chosen. Then the correlative parameters of system model are calculated and the simulation study is carried out.

研究了伺服阀的动态特性、阀控非对称液压缸系统的动力机构模型、附加干扰力的影响以及系统静差，继而建立了位置控制系统和力控制系统的数学模型，并在此基础上计算系统相关参数，对系统进行了仿真研究，进一步分析了系统的稳定性和可控性。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。