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31. | harbor surveillance radar |
| 港口监视雷达 |
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32. | containment/surveillance measures |
| 封锁/监视手段 |
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33. | optical surveillance device |
| 光学监视装置 |
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34. | ocean surveillance satellite |
| 海洋监视卫星 |
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35. | airborne surveillance radar |
| 机载监视雷达 |
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36. | electronic surveillance system |
| 电子监视系统 |
|
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37. | offshore surveillance system |
| 海上监视系统 |
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38. | machinery surveillance system |
| 机舱监视系统 |
|
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39. | Satellite surveillance radar |
| 卫星监视雷达 |
|
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40. | global surveillance system |
| 全球监视系统 |
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