云南昆明：欢度火把节 游客共赴狂欢夜
2yue21ri，zhonggongzhongyangzhengzhijujiujiaqiangjichuyanjiujinxingdisancijitixuexi。zhonggongzhongyangzongshujixijinpingzaizhuchixuexishiqiangtiao，jiaqiangjichuyanjiu，“yaoqianghuajichuyanjiuqianzhanxing、zhanlvexing、xitongxingbuju”“shenhuajichuyanjiutizhijizhigaige”。2(2)月(yue)2(2)1(1)日(ri)，(，)中(zhong)共(gong)中(zhong)央(yang)政(zheng)治(zhi)局(ju)就(jiu)加(jia)强(qiang)基(ji)础(chu)研(yan)究(jiu)进(jin)行(xing)第(di)三(san)次(ci)集(ji)体(ti)学(xue)习(xi)。(。)中(zhong)共(gong)中(zhong)央(yang)总(zong)书(shu)记(ji)习(xi)近(jin)平(ping)在(zai)主(zhu)持(chi)学(xue)习(xi)时(shi)强(qiang)调(tiao)，(，)加(jia)强(qiang)基(ji)础(chu)研(yan)究(jiu)，(，)“(“)要(yao)强(qiang)化(hua)基(ji)础(chu)研(yan)究(jiu)前(qian)瞻(zhan)性(xing)、(、)战(zhan)略(lve)性(xing)、(、)系(xi)统(tong)性(xing)布(bu)局(ju)”(”)“(“)深(shen)化(hua)基(ji)础(chu)研(yan)究(jiu)体(ti)制(zhi)机(ji)制(zhi)改(gai)革(ge)”(”)。(。)
李丹
当前，中美关系遭遇严重困难，面临严峻挑战，始作俑者在于美国。解铃还须系铃人，美方需要首先采取措施为两国紧张关系止损降温，这也是落实两国元首巴厘岛会晤重要共识的应有之义。观察中美此轮互动，大约出于几方面原因：
