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51. | direct reception system |
| 直接接收系统 |
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52. | controlled directional reception |
| 方向可调接收 |
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53. | space diversity reception |
| 空间分集接收 |
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54. | single sideband reception |
| 单边带接收 |
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55. | waste reception area |
| 废物接收区 |
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56. | double-superheterodyne reception |
| 双超外差接收 |
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57. | waste reception arrangement |
| 废物接收安排 |
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58. | space-reception diversity |
| 空间接收分集 |
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59. | minimum reception altitude |
| 最低接收高度 |
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60. | exalted carrier reception |
| 恢复载波接收 |
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