It is also pointed that the surface characteristics of quartz sand not only represent its final sedimentary environment, but also include a series of depositional processes.
同时也指出，石英砂表面特征不仅反映着最终的沉积环境，而且也包含着一系列的沉积历史过程。
It is also pointed that the surface characteristics of quartz sand not only represent its final sedimentary environment, but also include a series of depositional processes.
同时也指出，石英砂表面特征不仅反映着最终的沉积环境，而且也包含着一系列的沉积历史过程。
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