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- 辉钼矿Re-Os定年molybdenite Re-Os dating
- 定to set
- 万年all ages
- 年中midyear
- 待定undetermined
- 流年fleeting time
- 绑定binding
- 四年four years
- 不定indefinite
- 多年来for the past many years
- 搞定settle
- 几十年several tens of years
- 定的definite
- 年金rente
- 自定make
- 年少juniority
- 滴定titration
- 一年半a year and a half
- 一年多more than a year
- 签定judgement