About hot water depositional ore deposit, the ore body present layer in shape, large scale ore deposit, and formed in Permian period.
热水沉积型矿床，矿体呈层状，规模为大型，成矿时代为二叠纪。
The three-layered architecture model partition the information system into the client present layer, application service layer and database layer.
该体系结构模型将系统划分为客户端表示层、应用服务层、数据层。
The three-layered architecture model partition the information system into the client present layer, application service layer and database layer.
该体系结构模型将系统划分为客户端表示层、应用服务层、数据层。
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