The integral structure, multi-source data, application models and key techniques of the framework are discussed through a multilayer model.
从多层模型的角度出发，对框架的整体结构、多源数据组织、应用模型及其关键技术进行了探讨。
The utility model relates to a multilayer porous air filter plate which is composed of porous filter sheets, a mesh-shaped framework and accessories.
本实用新型涉及一种多层孔式空气过滤板，该过滤板由孔式过滤片、网状骨架及附件构成。
The utility model relates to a multilayer porous air filter plate which is composed of porous filter sheets, a mesh-shaped framework and accessories.
本实用新型涉及一种多层孔式空气过滤板，该过滤板由孔式过滤片、网状骨架及附件构成。
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