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Units of physical quantites and their symbols shall be those of the international standardized system.
应使用国际单位制所规定的物理量的单位和对应的符号。
youdao
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Units of physical quantites and their symbols shall be those of the international standardized system.
应使用国际单位制所规定的物理量的单位和对应的符号。
youdao