他不肯掛出求和的信號, 對別的表示也不去理睬.He would hang out no signals , he would take notice of none.求和的運(yùn)算是通過節(jié)點(diǎn)來表示的.The operation of summing is represented by the nodes.應(yīng)當(dāng)在此介紹一下求和的算符.It is convenient to introduce here the summation operat...