ＡＭａｔｈｅｍａｔｉｃａｌＭｏｄｅｌｆｏｒＤｏｕｂｌｅ－Ｒｅａｒ－ＡｎｇｌｅＢｏｒｅｒＴＡＮＧＹｕｙｏｎｇ；ＪＩＡＮＧＫｕｎ；ＺＨＡＮＧＸｕｅｑｉ（唐余勇，蒋锟，张学奇）（Ｄｅｐｔ．ｏｆＭａｔｈｓ．，ＨａｒｂｉｎＩｎｓｔｉｔｕｔｅｏｆＴｅｃｈｎｏｌｏ.........