控制空间

And an optimal operation strategy of any kind of products subject to spoilage at any time is obtained on the basis of the proposition of the model of distributed parameter control systems. Moreover, definite economic explanations to spatial adjoint function and control variables are presented.

通过建立可变质产品的最优经营管理的分布参数控制系统模型，得出了零售企业每个瞬间每种可变质产品的最优经营管理策略，并对空间伴随函数和控制变量给出了明确的经济学解释。

On the basis of the concept of space vector, the basic theory of DTC is analyzed. Also a representative DTC strategy improving operation performance of induction motors, which is called DSVM, is introduced.

在阐述空间矢量概念的基础上，分析了传统两电平逆变器异步电机直接转矩控制的基本原理，并引入了一种典型的直接转矩控制改进算法DSVM。

The effects of pre-existing macrostructures, such as joint, bedding plane on AE occurrence rate and b-value are the same as that of microcracks. AE spatial distribution is controlled by the pre-existing macrostructures and the macrostructure clustered by AE events usually controls the coming final fracture.

宏观结构的存在对声发射率和b值的影响与微裂纹相同，而且宏观结构对声发射的空间分布具有控制作用，声发射丛集的宏观构造通常控制著未来的主破裂。

Firstly, by comparing with the corresponding problems in full space, we applied the BIEs to investigate the features of spontaneous rupture on a planar fault in half space for theoretical numerical models, and obtained some significative results on the roles of asperity radius, critical slip-weakening distance, fault depth, dip angle of fault, initial stress distribution and strength distribution in the rupture propagation processes.

在理论数值模型的研究部分，通过与全空间中断层破裂问题的比较，本文详细地研究了在各种不同的控制参数下半空间中断层破裂过程的特征。

Control surface fault such as jam, floating and damage is researched.

为了弥补普通奇偶空间法不能实现故障隔离的不足，论文提出了对各控制通道解耦的奇偶空间法。

Results The three-dimensional models could demonstrate the spatial positions of the bone structure of the knee iii different flexions and extensions.

通过实验中的空间活动指标控制此模型虚拟运动，再现膝关节各屈伸角度下股骨、胫骨和腓骨的空间位置。

Project construction is in the national spatial coordinate reference frame, based on the use of high-tech means of Geodesy, in Baotou city, the information on outcomes and quality of the original plane, gravity surveying and mapping information, etc. Based on the results, in accordance with unified planning and overall design principles, laid covering the city's domain sets plane, elevation, gravity field information based on the integrated control network formed by the geodetic datum, elevation and gravity reference base composed of high-precision, three-dimensional center of the earth and practical reference Baotou modern surveying and mapping system for the "Digital Baotou" construction and large-scale mapping projects such as surveying and mapping provides a unified spatial orientation reference.

项目建设是在国家空间坐标基准框架的基础上，利用大地测量的高新技术手段，在包头市原有平面成果资料和水准、重力资料等测绘成果的基础上，按照统一规划、整体设计的原则，布设覆盖全市域集平面、高程、重力场信息于一体的综合性基础控制网，形成由大地基准、高程基准和重力基准等组成的高精度、三维地心、实用的包头市现代测绘基准体系，为&数字包头&建设和大比例尺测图等测绘工程提供了统一的空间定位基准。

On models with automatic transmission, the space between the electronic gear selector lever and the climate control unit offers enough room for two cupholders and a key holder.

在自动变速器的车型，在电子设备之间的换档杆和气候控制单元的空间提供两个杯架和一个钥匙持有足够的空间。

This papers prominence consists in the combination of the advanced GIS technology and MIS theory, probing into the methods and steps that information technology serves for agriculture eco-engineering; making sure the credibility of the analysis results and the realization of the goal through applying the quality control of spatial data to the system; analyzing the organic relation among every factor of the evaluation system, under the guidance of evaluation system of Chinese 1:10,000,000 land resource map; and making best use of the mighty special analysis function of GIS to realize the feasible evaluation of testing land; putting forward a way to resolve the combination of map spot through analyzing the different relation of the attributes of the land resource.

本文的突出之处在于将前沿的GIS技术与MIS理论相结合，探索了信息技术为农业生态工程服务的方法、步骤；将空间数据质量控制的思想应用到系统中，确保了分析结果的准确可靠和系统目标的真正实现；以中国1：100万土地资源图的评价系统为指导，系统分析了评价系统中各要素间的有机联系，并充分利用GIS强大的空间分析功能实现了试验区土地适宜性评价；通过对土地资源各属性间关系的分析，提出了一种图斑融合的解决思路。

This controller adopts different control actions according to the phase space composed by error and error change to meet the requirements. The corresponding relations between phase space and response curve of the seven different actions of this controller are analysed and curve is studies through actions.

七态控制器是根据在偏差和偏差的变化所构成的相空间上通过不同控制作用以达到满足要求的控制器，分析此控制器的7种不同作用力在相空间和响应曲线的一一对应关系，通过作用力来研究曲线。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。