triangular wave
| polarography
| triangular wave abbr. | |
| tech. | 三角形波; 三角波 |
| polarography abbr. | |
| gen. | 极谱 法 |
| agric. | 极谱 法 |
| el. | 极谱分析法 |
| met. од. | 极谱法 |
| oil | 极谱学 |
| tech. | 极谱仪测定法 |
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| 三角形波; 三角波 | |||
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triangular wave : 8 phrases in 3 subjects |
| Air defense | 1 |
| Chemistry | 4 |
| Technology | 3 |