杭州和武汉的“卡位战”之外，重庆和广州的“全国第四城”之争也颇为激烈。数据显示，重庆上半年GDP为14345.95亿元，同比增长4.6%，排名全国第四。

zaifanghonggongchengtixizhong，xuzhihongquyouzhe“dipai”sidefenliang。zhelunhaiheliuyufashengliuyuxingjiaodahongshui，zhuozhouchengya。xiwangsuizhexuzhihongqudeqiyong，nengjinkuaibangzhuhaiheliuyuduguohongshuinanguan。在(zai)防(fang)洪(hong)工(gong)程(cheng)体(ti)系(xi)中(zhong)，(，)蓄(xu)滞(zhi)洪(hong)区(qu)有(you)着(zhe)“(“)底(di)牌(pai)”(”)似(si)的(de)分(fen)量(liang)。(。)这(zhe)轮(lun)海(hai)河(he)流(liu)域(yu)发(fa)生(sheng)流(liu)域(yu)性(xing)较(jiao)大(da)洪(hong)水(shui)，(，)涿(zhuo)州(zhou)承(cheng)压(ya)。(。)希(xi)望(wang)随(sui)着(zhe)蓄(xu)滞(zhi)洪(hong)区(qu)的(de)启(qi)用(yong)，(，)能(neng)尽(jin)快(kuai)帮(bang)助(zhu)海(hai)河(he)流(liu)域(yu)度(du)过(guo)洪(hong)水(shui)难(nan)关(guan)。(。)