At the time of his transformation, Vader never knew that Padm? Had given birth to twins.

在接受改造之时，维德并不知道帕德梅已生下了一对双胞胎。

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Objective To investigate the feasibility of processing porcine acellular dermal matrix(PADM) with the aid of laser punching technology.

目的探讨激光打孔制备微孔猪脱细胞真皮基质（PADM）的可行性。

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