Metadata – Since there is a mapping between logical and physical location, the storage metadata and its management becomes key to a working reliable system.
元数据——由于有着逻辑与物理位置之间的映射关系，因此对于一个运行的可靠系统来说存储元数据的管理显得极为关键。
The system consists of concentrating fire alarm device and regional fire alarm device. It is characterized as simply structure, working reliable, function powerful, price cheap and practical.
该系统由集中火灾报警器及区域火灾报警器组成，具有结构简单，工作可靠，功能完善，造价低廉，实用等特点。
The device has advantages of strong function, steady working, reliable action, strong anti-interference, small volume, light weight and so on.
该装置具有功能强、工作稳定、动作可靠、抗干扰性强，体积小、重量轻等优点。
The paper introduces a kind of data processing system, with PIC series microcontrollers as the core component, for quick moisture measurement. The system is simple, working, reliable and portable.
介绍一种以pic系列微控制器为核心构成的水分快速测定仪的数据处理系统，该系统结构简单，工作可靠，宜于便携式仪器。
The experiment result indicates that the frameless equipment has the advantages of large effective screen area, strong anti-disturbance, noncontact, full-time working, reliable and flexible in using.
实验结果表明触发信号源无框架装置有效作用区大，抗干扰能力强，不受环境照明条件的影响，具有非接触、可全天候工作、性能稳定可靠、使用灵活方便等特点。
The experiment result indicates that the frameless equipment has the advantages of large effective screen area, strong anti-disturbance, noncontact, full-time working, reliable and flexible in using.
实验结果表明触发信号源无框架装置有效作用区大，抗干扰能力强，不受环境照明条件的影响，具有非接触、可全天候工作、性能稳定可靠、使用灵活方便等特点。
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