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31. | double projection |
| 双重投影 |
|
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32. | duplicate detector |
| 双重检测器 |
|
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33. | duplication of marking |
| 双重标志 |
|
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34. | two-tier exchange rate system |
| 双重汇率制 |
|
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35. | dual broadcasting |
| 双重广播 |
|
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36. | double porosity |
| 双重孔隙 |
|
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37. | dual foreign exchange market |
| 双重外汇市场 |
|
|
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38. | compound discrimination |
| 双重歧视 |
|
|
| |
39. | double benefits |
| 双重福利 |
|
|
| |
40. | two-tier gold market |
| 双重黄金市场 |
|
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| |