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71. | Scan or sweep |
| 扫描 |
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72. | frame scan transformer |
| 帧扫描变压器 |
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73. | vertical scan frequency |
| 垂直扫描频率 |
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74. | Time-Scan Model |
| 时间扫瞄法 |
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75. | sector scan indicator |
| 扇形扫瞄显示器 |
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76. | B-scan presenfation |
| B型扫描显示 |
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77. | Conical scan radar |
| 圆锥扫描雷达 |
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78. | fibre optics scan |
| 纤维光学扫描 |
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79. | memory scan option |
| 存储器扫描选择 |
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80. | series parallel scan |
| 串并联扫描 |
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