Pbd is bbd ’ s matureness and extendability , it extends design reuse idea and emphasizes system reuse Pbd方法是bbd方法的成熟和扩展,它延伸了设计重用的理念,强调系统重用。
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Then , the conception of smart sensor is introduced for multi - sensor system design to improve systemic characteristic including : flexibility , universality , extendability , extendability , data preprocessing , self - adjustability , data transmission by bus , and so on 然后本文提出了多传感器系统的底层传感器模块应具有通用性、可扩展性、对上层接口透明、开发传承性、初级预处理和基于总线的数据传输等设计要求。
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A dynamic hierarchical description method for workflow is presented . the method provides a dynamic hierarchical way to define a workflow with non - determinate or dynamic factors . with this method , the main process defined at build - time can be reified and extended by the principle of the sub - organizations at either the build - time or the run - time . to ensure the consistency and integrity of the description , a series of constraint rules are also discussed to realize seamless integration between a decomposed process and its original one . this approach supports the description of unpredictable uncertainties , the dynamic hierarchy of business process , and the dynamic modification of enterprise organizations , and all of these improve the flexibility and extendability of workflow management systems dramatically 为支持流程中不确定性因素和动态因素的描述,提出了柔性工作流的动态层次描述方法,使得流程设计人员在流程定义阶段定义的主流程可以在任意时刻由子组织的负责人进行细化和扩充.为保证动态层次描述的正确性和完整性,讨论了动态层次描述的一系列约束规则,确保分解后的流程与原有流程实现无缝衔接.该描述方法支持对不可预知的非确定性因素的描述,支持业务流程的动态层次描述以及组织机构的变化,极大地增加了工作流管理系统的柔性和可扩展性
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The business system ' s subsystems are interrelated each other via the data interface , thus reduces mutual coupling and enables the system with strong extendability : a proper subsystem can be easily adjusted on business demand , and a new subsystem can be easily built to fulfill new business requirement 各个子系统之间通过数据接口进行关联，从而降低了子系统之间的耦合程度，使系统具有较强的可扩展性，既可以根据业务需求的变换改动相应的子系统，又可通过建立新的子系统来完成新的业务功能。
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In order to reduce repeat work during developing nc system software and arising efficiency , program design method of extensible command set is applied based on software - overlap thoughts , which enhances program transportability and extendability . then nc program interpreter is realized 为了降低数控系统开发过程中程序员大量的重复性劳动，提高工作效率，应用了基于软件重用思想的程序开发方法? ?增量式程序开发方法，来实现代码集的扩展，提高程序的可移植性，并依此开发了支持语言扩展的数控程序解释器。
