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| 81. | A strike-valley sand is deposited in the drainage course of a subsequent stream valley. |
| 走向谷砂岩是在次生河谷水系中沉积的。 |
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| 82. | deranged drainage pattern |
| 紊脉状水系 |
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| 83. | Drainage was to the north and individual channels bifurcate in that direction. |
| 整个水系向北排水，各个河道朝该方向分叉。 |
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| 84. | glacial drainage |
| 冰川水系；冰川流系 |
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| 85. | crow-foot drainage pattern |
| 鸟足状水系 |
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| 86. | The endless variations of drainage pattern make descriptive characteristics difficult. |
| 水系型式的无限变化给描述特征带来了困难。 |
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| 87. | drainage scheme |
| 排水系|统方案|土壤改良方案|排水网 |
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| 88. | During the Pleistocene Ice Age, the ancient drainage systems were almost completely rearranged by glaciation |
| 在更新世冰期，古水系常被冰川作用完全改造。 |
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| 89. | Drainage symbols are in blue. |
| 水系符号是蓝色的。 |
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| 90. | The difference is mainly in the tone not in the drainage pattern or landform. |
| 所不同的主要在色调，而不在于水系型式或地形。 |
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