中(zhong)證網(wang)訊（記者 劉麗靚）國家(jia)發(fa)改(gai)委(wei)4月13日消息，近日，國家(jia)發(fa)改(gai)委(wei)發(fa)布《2021年(nian)新(xin)型城(cheng)(cheng)(cheng)(cheng)鎮(zhen)化(hua)和城(cheng)(cheng)(cheng)(cheng)鄉融合發(fa)展(zhan)(zhan)(zhan)重點任務(wu)》提出，健全城(cheng)(cheng)(cheng)(cheng)市群(qun)一體化(hua)發(fa)展(zhan)(zhan)(zhan)機制(zhi)(zhi)。制(zhi)(zhi)定(ding)京津冀協同發(fa)展(zhan)(zhan)(zhan)、粵港(gang)澳大灣區(qu)(qu)建設、長(chang)三角一體化(hua)發(fa)展(zhan)(zhan)(zhan)“十四五”實施(shi)(shi)方案。扎實實施(shi)(shi)成(cheng)渝地區(qu)(qu)雙城(cheng)(cheng)(cheng)(cheng)經(jing)濟圈建設規(gui)劃綱要。研究編(bian)制(zhi)(zhi)長(chang)江中(zhong)游、北(bei)部灣、關中(zhong)平原等跨省區(qu)(qu)城(cheng)(cheng)(cheng)(cheng)市群(qun)實施(shi)(shi)方案，有序引導(dao)省內城(cheng)(cheng)(cheng)(cheng)市群(qun)發(fa)展(zhan)(zhan)(zhan)。健全城(cheng)(cheng)(cheng)(cheng)市群(qun)多層次(ci)協調(diao)機制(zhi)(zhi)和成(cheng)本共擔(dan)利益共享機制(zhi)(zhi)，提高(gao)一體化(hua)發(fa)展(zhan)(zhan)(zhan)水(shui)平。