oxygen isotope
| epoch
| oxygen isotope | |
| desert. | 氧同位素 |
| epoch | |
| avia. | 历元; 过地点时刻 |
| geol. | 世 |
| oil | 时期 |
| oil од. | 世 |
| space | 初相; 恒定相位延迟; 时代; 出现时间 |
| space од. | 历元 |
| |||
| 氧同位素 | |||
| |||
| 氧同位素 | |||
|
oxygen isotope : 22 phrases in 8 subjects |
| Chemistry | 1 |
| Cryosphere | 1 |
| Desert science | 1 |
| Earth sciences | 1 |
| Ecology | 2 |
| Oceanography & oceanology | 2 |
| Space | 1 |
| Technology | 13 |