例句 /

The surface structures of the pink freshwater pearls from Jiangsu-Zhejiang region and the white seawater pearls from Guangdong Province are studied by using polarizing microscope and scanning electron microscope (SEM).

The surface structures of the pink freshwater pearls from Jiangsu-Zhejiang region and the white seawater pearls from Guangdong Province are studied by using polarizing microscope and scanning electron microscope (SEM).

以产于江浙地区的粉色淡水珍珠和产于广东省的白色海水珍珠为研究对象,采用偏光显微镜和扫描电镜测试方法对其表面结构进行了观察。