circulation network system

基本解释

A microbicidal facemask (24) and a microbicidal air filter (10) used in an air circulation system (40) using the immobilization network (12) are disclosed.
公开了在使用固定网（12）的空气循环系统（40）中所使用的杀微生物面罩（24）和杀微生物空气过滤器（10）。
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However, as the past circulation system and the market network hub, the relay wholesale business is hit rabidly with the economic system adjustment and the policy environment change.
但是，随着经济体制的调整和政策环境的变化，原来作为流通体系和市场网络中心的中转地批发业态受到猛烈冲击。
On aspect of " systemic circulation ", the thesis has described the macroscopical management mode of the circulation type society and retrieved the integrated network system utilized especially.
“大循环”层面上，论文重点论述了循环型社会的宏观管理模式和回收再利用的综合网络体系。