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| 示踪技术指以放射性元素等作示踪标记，以进行检查或探测的方法 | |||
| 示踪原子法 | |||
| 示踪［技］术 | |||
| 示踪法 | |||
| 示踪技术 | |||
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tracer technique : 20 phrases in 11 subjects |
| Agriculture | 1 |
| Aviation | 1 |
| Chemistry | 2 |
| Desert science | 1 |
| Environment | 1 |
| Hydroelectric power stations | 1 |
| Metallurgy | 1 |
| Space | 1 |
| Sports | 1 |
| Technology | 8 |
| Wind Energy | 2 |
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