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| 频率; 振频; 周期; 电子学周期数; 工艺循环接通次数 | |||
| 循环次数 | |||
| 周期次数; 循环次数 | |||
| 旋回数目 | |||
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| 工作循环次数 | |||
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number of cycles : 27 phrases in 7 subjects |
| Automobiles | 5 |
| Aviation | 2 |
| Bridge construction | 3 |
| Metallurgy | 8 |
| Plastics | 1 |
| Space | 3 |
| Technology | 5 |
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