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National Bureau of Standard | |||
National Bureau of Standards (美国); national standard bureau | |||
National Bureau of Standards | |||
GBS | |||
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National Bureau of Standard | |||
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National Bureau of Standard | |||
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National Bureau of Standards | |||
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National Bureau of Standard | |||
National Bureau of Standards | |||
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National Bureau of Standards | |||
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National Bureau of Standards | |||
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National Bureau of Standards | |||
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State Bureau of Standardization and Metrology | |||
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National Bureau of Standards | |||
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National Bureau of Standards |
国家标 准 局 : 36 phrases in 11 subjects |
Aviation | 2 |
Business | 1 |
Earth sciences | 2 |
Electronics | 6 |
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Technology | 9 |
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United States | 8 |