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Originally posted by liuhuimeiwoo at 2011-04-19 09:39:20:
±íÃæµÄ²¼ÀïÔ¨ÇøÊÇÌåÏ಼ÀïÔ¨ÇøÔڸ÷½ÏòµÄͶӰ

Õâ¸öÄã¿ÉÒÔÈ¥¿´¿´The surfaces of bismuth: Structural
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