![]() |
| |||
National Bureau of Standards | |||
National Bureau of Standard | |||
National Bureau of Standards (美国); national standard bureau | |||
GBS | |||
| |||
National Bureau of Standards | |||
| |||
National Bureau of Standard | |||
| |||
National Bureau of Standards | |||
| |||
National Bureau of Standards | |||
| |||
National Bureau of Standards | |||
| |||
National Bureau of Standard | |||
| |||
National Bureau of Standard | |||
| |||
National Bureau of Standards | |||
| |||
State Bureau of Standardization and Metrology | |||
| |||
National Bureau of Standards | |||
| |||
National Bureau of Standards |
国家 标 准局 : 36 短语, 11 学科 |
一般 | 2 |
信息技术 | 2 |
冶金 | 2 |
商业活动 | 1 |
图书馆员 | 1 |
地球科学 | 2 |
技术 | 9 |
电子产品 | 6 |
纺织工业 | 1 |
美国 | 8 |
航空 | 2 |