oxygen isotope
| method
| oxygen isotope | |
| desert. | 氧同位素 |
| method | |
| gen. | 法; 标准; 水平 |
| environ. | 方法 |
| hydroel.st. од. | 方法 |
| mech. | 电火花法 |
| |||
| 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 |