数字图书馆体系结构的主要构件是数字对象、句柄和仓储。
The main elements of the digital library system structure are digital target, handle and storage.
介绍了可编程控制器（PLC）的基本结构及立体仓库的工作流程，论述了用PLC控制自动化立体仓库以达到仓储技术的全面自动化的制作流程及设计思路。
The paper introduces the basic structure of PLC and the working process of AS/RS, discusses how to apply PLC in AS/RS control in order to promoting the all-round automation of warehousing technology.
进入后工业社会以来，随着经济社会形态和产业结构的变化，城市中的滨水工业生产用地以及仓储用地相继被废弃。
After entering the post industrial society, as the changes of social-economic structures, the industrial sites at waterfronts has been gradually abandoned.
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