even harmonic
| function
| even harmonic abbr. | |
| telecom. | 偶次谐波 |
| function abbr. | |
| gen. | 运行; 工作 |
| hydroel.st. | 作用 |
| interntl.trade. | 效用; 职能 |
| light. | 功能，用途 |
| math. | 运算 |
| met. | 功用; 用途 |
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| 偶次谐波 | |||
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| 偶次谐波 | |||
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even harmonic : 12 phrases in 6 subjects |
| Air defense | 1 |
| Electric machinery | 6 |
| Oil / petroleum | 1 |
| Rail transport | 1 |
| Space | 1 |
| Technology | 2 |