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| 51. | Researchers have tried over-the-air digital radio broadcasts, but are just starting to tackle the challenges |
| 研究人员虽已试验过无线电数字广播，但还刚开始在对付无线电数字电视的挑战。 |
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| -- 来源 -- 百科语句 - we91-3.gaoqingxidudianshi |
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| 52. | guy tackle rigging |
| 牵索索具 |
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| 53. | life boat tackle |
| 救生艇吊杆绞辘 |
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| 54. | apparel(l)and tackle |
| 船具(包括锚、帆、缆、救生设备等) |
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| 55. | long tackle block |
| 长绳滑车 |
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| 56. | block and tackle |
| 滑轮组 |
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| 57. | slewing guy tackle |
| 转向拉索滑车组 |
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| 58. | Remember your fishing-tackle? |
| 还记得你的钓鱼工具吗？ |
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| 59. | apparel and tackle |
| 舾装 |
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| 60. | Foul tackle from behind |
| 背后抢截犯规 |
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