... 测量的本质与基本前提 (The precondition and foundation of measurement) 标准及其单位 (Standards and Units) 本章小结 (Chapter summary) ...
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electrical units and standards 电学单位和标准
These ANSI standards define the content, format and units of measurement for the exchange of information related to fingerprint identification of an individual.
这些ANSI标准定义用于个人指纹识别相关信息交换的内容、格式和度量单位。
It calls for Xcel Energy to close four coal-fired units in the region, switch another to natural gas and build a gas-fired plant to help meet federal clean-air standards.
要求埃克·西尔能源公司关掉这个地区的四个燃煤发电机组,把另一个燃煤机组更换为燃气机组,并新建一个燃气发电厂,以符合联邦的清洁能源标准。
Described are the overall design scheme of apron boards for high speed multiple units, including working condition parameters, standards and design concepts of the apron boards.
介绍了高速动车组裙板的总体设计方案,包括高速动车组裙板的工况参数、标准以及设计理念。
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