对于工业中的大多数专用应用程序和嵌入式系统，该模型给出了简洁、直观、统一的规范描述及其开发与维护方法。
Therefore as to most special applied program and embedded system in industry, this model presents a precise, direct and unified principle with its development and maintainance.
开发该系统包括数据库的建立与维护以及应用程序的建立。
It needs to build up the database and application to develop this system.
开发该系统包括数据库的建立与维护以及应用程序的建立。
It needs to build up the database and application to develop this system.
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