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1千克质量作证基准砝码
释义
1千克质量作证基准砝码
Encyclopedia
工学
质量计量技术
释
national prototype of the kilogram for checking
1千克质量作证基准砝码
为了监测1千克质量基准砝码的量值是否发生变化而专门设立的复制件。
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Planning of Hongqiao Economic and Technological Development Zone
planning of landscape plants
planning of landscape tour
planning of landscape tourist areas
planning of large scale wind power base
planning of medical and health facilities
Planning of Moscow
planning of Nanjing Jiangbei New Area
planning of Nansha New District
planning of national groundwater utilization and protection
Planning of New York City
planning of Palace of Versailles
Planning of People's Square in Shanghai
planning of regional medical center
planning of scenic area in city
planning of schistosomiasis prevention related with water conservancy
planning of soil and water conservation
planning of South Manchuria Railway Company attached land
planning of the 1999 World Horticultural Exposition
Planning of Tianjin Economic and Technological Development Area
planning of Tokyo
planning of transportation
planning of treat and disposal facilities for municipal solid wastes
planning of urban environmental protection
planning of urban flood control
科学参考收录了854744条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。
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