39oneofthe的精選

問題詳情：October31,2009,CaliforniaTsienHsue-shen,PhD’39,oneofthefoundersoftheJetPropulsionLaboratory,diedonOctober31,Hewas98.Tsien,bomintheeasternChinesecityofHangzhou,graduatedfromtheNationalQinghuaU...