Generally,the outside supplies may be divided into two kinds:the informal support system and the formal support system.
外界对老人需求的供给一般分为两种:非正式支持系统和正式支持系统。
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Rigorous Modeling is a core technology in embedded realtime system design and the combination of UML and formal methods would provide a better tool support to it.
严格建模是嵌入式实时系统设计的核心技术，通过UML方法与形式化方法结合可以给严格建模提供很好的工具支持。
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Mayangna representatives particularly emphasized the need for support to integrate the book into the Mayangna formal education system.
UNESCO: Social and Human Sciences
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