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| 61. | quaternary illuviated ore deposit |
| 第四纪淋积矿床 |
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| 62. | quaternary ammonium compound |
| 季铵比合物 |
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| 63. | quaternary sedimentary ore deposit |
| 第四纪沉积矿床 |
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| 64. | quaternate leaves; a quaternary compound. |
| 四重花瓣；四元混合物。 |
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| 65. | quaternary ammonium spasmolytic drug |
| 季铵类解痉药 |
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| 66. | Geomorphology and Quaternary Geology |
| 地貌及第四纪地质学 |
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| 67. | Geomorphology and Quaternary Environment |
| 地貌学与第四纪环境 |
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| 68. | Quaternary Geosciences and Human Survival |
| 第四纪地球科学和人类生存 |
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| 69. | hydroxypropyl quaternary ammonium salt |
| 羟丙基季铵盐 |
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| 70. | International Union for Quaternary Research |
| 国际第四纪研究联合会 |
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