本文通过对广东和海南海岸沙丘砂石英颗粒的扫描电镜分析，认为其表面结构特征，既具有典型的风成环境特征。
Quartz grain surface textures in coastal dune sand which is mainly derived from beach sand have features characteristic of both typical aeolian environment and inheritable and reformable beach sand.
本试验用环境扫描电镜观察了刨花内部的水分迁移过程，分析了刨花湿迁移特性。
The water transfer process inside wood particles was observed with the help of environment scanning microscope, and the wet transfer characteristics of wood particles are analyzed.
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