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1. | multiple barrier |
| 多重屏障 |
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2. | perimeter barrier |
| 外围屏障;周界屏障 |
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3. | a protective screen; a shield; a shelter; a barrier |
| 屏障 |
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4. | barrier properties |
| 屏障性能 |
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5. | filtration Barrier |
| 滤过屏障 |
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6. | mountain barrier |
| 高山屏障 |
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7. | Ecological protective screen |
| 生态屏障 |
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8. | reflection barrier |
| 反射屏障 |
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9. | photoelectric barrier |
| 光电屏障 |
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10. | visual screening |
| 景观屏障 |
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