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| 41. | fluctuation data |
| 起伏数据 |
|
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| | |
| 42. | heaving and dipping |
| 上下起伏 |
|
|
| | |
| 43. | submarine relief |
| 海底起伏 |
|
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| | |
| 44. | undulating grade |
| 起伏坡度 |
|
|
| | |
| 45. | secondary fluctuatio |
| 次起伏 |
|
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| | |
| 46. | mospheric fluctuatio |
| 大气起伏 |
|
|
| | |
| 47. | undulating coast |
| 起伏海岸 |
|
|
| | |
| 48. | fluctuation echo |
| 起伏回波 |
|
|
| | |
| 49. | topographic inequality |
| 地形起伏 |
|
|
| | |
| 50. | thermal fluctuation |
| 热起伏 |
|
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| | |