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衰变系 | |
eng.geol. | decay family; decay series |
H 数 | |
space | H number |
Re数 | |
space | Reynolds number |
f 数 | |
telecom. | f-number |
数 | |
bridg.constr. | figure |
met. | tale |
sport. | count |
tech. | number |
| |||
decay family; decay series | |||
| |||
beta decay series |
衰变系 : 25 phrases in 11 subjects |
Air defense | 1 |
Business | 1 |
Chemistry | 2 |
Electronics | 4 |
Energy industry | 1 |
Engineering geology | 3 |
General | 1 |
Metallurgy | 1 |
Nuclear physics | 2 |
Space | 1 |
Technology | 8 |