... quaternary geology 第四纪地质学... quaternary system 四元制,四元系,四元... quaternary ammonium 季铵 ...
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quaternary system slope 第四系边坡
Quaternary system PZSN 四元系PZSN
quaternary system stratum 第四系地层
quaternary system material 四元系材料
thickness of Quaternary system 第四系厚度
quaternary system phase diagram 四元相图
isopach map of quaternary system 第四系厚度分布
Quaternary System are not developed in eastern Liaonmg.
辽东地区第四系不发育。
In Jingyuan region, Quaternary system developed well, and zoned clearly, and there are complex genetical types.
靖远地区第四系发良良好，分带性明显，成因类型较为复杂。
In Jingyuan region, the Quaternary system developed well, and zoned clearly, and there are complex genetical types.
靖远地区第四系发良良好，分带性明显，成因类型较为复杂。
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