探求一般性和统一性,是二十世纪数学的突出特征之一.The search for generality and unification is one of the distinctive features of twentieth century mathematics.解题是一门艺术,统一性是数学固有的特点.Solution is an art. The unification is intrinsic characteristic o...
Delamination caused by electrical - over - stress ( EOS ) and moisture expansion during reflow soldering have shown different delamination patterns.由过电应力 ( EOS ) 和再流焊中的水汽膨胀引起的分层会显示出不同的失效模式.The appearance of EOS meets the...