既有系统 meaning in Chinese

legacy system

This paper develops a methodology to determine the modularization programming of a legacy software system
本篇论文发展了一个决定既有系统的模组化程式的方法论。
It is a historic process of gradual development which is both continuative and multistage
它是一个渐进演化的历史进程，既有系统完整的历史发展连贯性，又有明显特征的历史发展阶段性。
Shi - cho cha et al . , robalo : a risk - oriented job dispatching mechanism for workforce management system , in proceedings of the ifip i3e , 2005
查士朝、王明国、林华鹏，与黄俊文，一个考量与既有系统整合的整合式认证及存取管理系统框架，第十七届资讯安全会议。
Owing to progress in digital radio technology , the enhanced performance and reliability of computer networks , and the standardization of railway systems e . g
如何降低对既有系统营运之冲击？新承商对既有系统整合时之风险及成本与原系统供应商之差异又如何？
Besides , other problems , such as the management of planning and engineering , configuration management and design management , have also created resistance to the system s integration
其标准化之程度及不同厂商间之相容性又如何？既有系统如何处理？扩建时对现有系统营运之冲击如何？