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周期族 | |
tech. | periodic family; periodical family |
平均数 | |
econ. | average amount |
interntl.trade. | on the average |
math. | average number |
met. | media; medium |
sport. | average; mean |
| |||
periodic family; periodical family |
周期〕族平: 2 phrases in 2 subjects |
Earth sciences | 1 |
Metallurgy | 1 |