标题: 此为何解？ [打印本页] 作者: sierra_ruc 时间: 2006-4-10 10:32 标题: 此为何解？ <font size="4">We may follow a softer path, and rely on the so called underdeterminaions thesis, according to which in the practice of science we have frequently to deal with theories either of which fits the available facts equally well.</font>