Shape the nail, using a file or emery board.
塑造钉子，使用一个文件或金刚砂董事会。
Taking the tooth shape chain board as the study object, its main parameters were measured.
系统以齿形链板为研究对象，对其主要参数进行测量。
The results show that the board size and firm performance present distinct shape U.
董事持股比例与公司绩效之间不存在倒U型曲线关系；
The results show that the board size and firm performance present distinct shape U.
董事持股比例与公司绩效之间不存在倒U型曲线关系；
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