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三、法定计量单位的使用法定计量单位详细的使用规则,可查阅《法定计量单位手册》、《法定计量单位宣贯手册》等书。本文仅说明几个问题。 1.单位的符号及其字体国际计量大会对计量单位统一规定的符号称为国际符号,如表1～5中所示。由单位和词头的简称(指表1、3、4中略去[ ]中的字后的单位名称)构成的符号称为中文符号(汉字符号)。国家标准《建筑结构设计通用符号、计量单位和基本术语》中规定: (1)技术性文件、图纸、书刊等,其公式、表格、插图中的计量单位和词头以及文字叙述段中阿拉伯数字后的计量单位和词头,均应采用国际符号表示,如kN/m~2。 (2)通俗读物等,如有必要,其中计量单位和词头可采用中文符号表示,如千牛/米~2。 (3)以文字叙述为主,全文很少出现计量单位的文件、书刊等,其中计量单位和词头可采用名称表示,如千牛顿每平方米。
Third, the legal units of measurement of the use of legal units of detailed use of rules, can consult the “legal units of measurement”, “the legal units of measurement and publicizing handbook” and other books. This article only describes a few issues. 1. Symbols and Fonts of Units Symbols that the International Metrology Congress has uniformly defined for measurement units are called international symbols, as shown in Tables 1-5. The symbol consisting of the abbreviation of the unit and the prefix (referring to the unit name after the word in [1] in Tables 1, 3, and 4 is omitted) is called a Chinese symbol (Chinese character symbol). The national standard “General Symbols, Units of Measurement, and Basic Terminology for Design of Building Structures” stipulates: (1) Technical documents, drawings, books and periodicals, their formulae, tables, and figures in the units of measurement and prefixes, and the paragraphs after the Arabic numerals in text descriptions. Both the unit of measure and the prefix should be represented by international symbols, such as kN/m~2. (2) Popular readings, etc. If necessary, the unit of measurement and prefix can be expressed in Chinese symbols, such as kN/m~2. (3) Text narrative is the main text. There are few documents, books, etc. in the measurement unit. The measurement units and prefixes can be represented by names, for example, kilonewton per square meter.