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horizontal datum中文是什么意思

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用"horizontal datum"造句"horizontal datum"怎么读"horizontal datum" in a sentence

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  • 水平基准线

例句与用法

  • By way of builds the horizontal data models of development of secondary industry and tertiary industry and adopts variation coefficient and side are wrongs and complete in the coefficient , and analyses the industrial structure change standard , and reach : the industrial structure of our country every province and city area is changed the standard and is all had the raise of different level 22 certain periods at reform and open , and three horizontal district gaps of industrial structure change in our country were consta
    6 、通过建立第二产业和第三产业的发展水平数据模型、采用变异系数、方差、全距系数,来分析产业结构转换水平,得出我国各省市区的产业结构转换水平在改革开放22年间都有不同程度的提高,同时我国三次产业结构转换水平的地区差距在不断缩小。 7 、用产业结构转换的速度、方向、能力和水平作为指标,进行聚类分析,将全国划分为7种类型(转换程度最优、优、良、中等较差、差、最差) 。
  • The author , after briefly introducing the key technologies concerning structuring network , , suggests , establishing backup information data index and horizontal data fragmentation to realize the backup and restoration of data , and also presents part of the codes of data backup process , giving a new solution to massive - data and information system programming in the context of popularity of business network application and securing the data in the information system , of which the storage capacity becomes increasingly large
    摘要针对商务网络的普及应用和信息系统存储量越来越大的情况下的数据安全可靠性,在简单介绍构建系统的有关关键技术后,提出通过建立备份信息索引表和对数据进行水平分片来实现数据的备份和恢复,并给出了数据备份过程的部分代码,为大数据量信息系统设计提供了一种解决方法。
用"horizontal datum"造句  
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