进一步沉积金属后，通过去牺牲层工艺去除球体，可得到呈六角形分布的纳米金属列阵结构；
After a single layer of metal was deposited on the top of the assembled structures and the lift-off was taken, the nano-metal array with the hexagon shape was achieved.
正常青年和儿童的角膜内皮细胞呈六角形，大小一致；而40岁以上者形态和大小不一致。内皮细胞的密度随年龄增长而减低，面积随年龄增长而增加。
The normal corneal endothelial cells of youths and children were hexagonal in shape and uniform in size, but they became irregular both in shape and size in persons above 40 years old.
在显微镜下观察，刚飘下的雪花呈精巧的六角形。
Seen under a microscope , a fresh snowflake has a delicate six-pointed shape.
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