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| 91. | preliminary trial |
| 初步试验 |
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| 92. | preliminary search |
| 初步检索 |
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| 93. | preliminary shock |
| 首震|震首 |
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| 94. | preliminary adjustment |
| 预调整 |
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| 95. | preliminary stage |
| 初期|初始阶段 |
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| 96. | preliminary treatment |
| 预处理|前处理 |
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| 97. | preliminary stratigraphy |
| 初级地层学 |
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| 98. | indispensable preliminary |
| 必要的预备步骤 |
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| 99. | preliminary to... |
| 在…的前面 |
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| 100. | preliminary alignment |
| 初步对准 |
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