China Mathematical,physica GB Standards Search Result |
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GB/T 18028-2010 Mathematical,physical and chemical symbols of Chinese Braille 中国盲文数学、物理、化学符号 - 中英文版 |
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GB 3102.11-1993 Mathematical signs and symbols for use in the physical sciences and technology 物理科学和技术中使用的数学符号 - 中英文版 |
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