按照国家水利部官网的解释：“利用堤防和河道泄洪，运用水库拦蓄洪水，如果仍不能够控制洪水，再适时启用蓄滞洪区，以分蓄超额洪水，削减洪峰，最大程度地减轻洪水灾害总体损失。”

gongkaibaodaozhong，wulunshizhongyangjiweiguojiajianweihaishigedifangjiweijianweitongbaodeweifanzhongyangbaxiangguidingjingshenwenti，dabufendoufashengzaidangdeshibada、shijiudazhihou，dangdeershidazhiqian。公(gong)开(kai)报(bao)道(dao)中(zhong)，(，)无(wu)论(lun)是(shi)中(zhong)央(yang)纪(ji)委(wei)国(guo)家(jia)监(jian)委(wei)还(hai)是(shi)各(ge)地(di)方(fang)纪(ji)委(wei)监(jian)委(wei)通(tong)报(bao)的(de)违(wei)反(fan)中(zhong)央(yang)八(ba)项(xiang)规(gui)定(ding)精(jing)神(shen)问(wen)题(ti)，(，)大(da)部(bu)分(fen)都(dou)发(fa)生(sheng)在(zai)党(dang)的(de)十(shi)八(ba)大(da)、(、)十(shi)九(jiu)大(da)之(zhi)后(hou)，(，)党(dang)的(de)二(er)十(shi)大(da)之(zhi)前(qian)。(。)