stable isotope tracer
| method
| stable isotope tracer | |
| tech. | 稳定同位素示踪剂 |
| method | |
| gen. | 法; 标准; 水平 |
| environ. | 方法 |
| hydroel.st. од. | 方法 |
| mech. | 电火花法 |
| |||
| 稳定同位素示踪剂 | |||
|
stable isotope tracer : 4 phrases in 3 subjects |
| Chemistry | 1 |
| Desert science | 1 |
| Technology | 2 |