n.支流

Main factors effecting on flow rate in braided river is gardient of anabranch,area of water,roughness and velocity. 影響汊道分流比的主要因素有：兩汊的比降、過水斷面積、糙率、流速等。

Qin"an located in the downriver area of Cucurbit River which is the branch of Wei River (Wei River is an anabranch of Yellow River), in the north of Tianshui city southeast Gansu province. 秦安縣位于甘肅省東南部,天水市北部,渭河支流葫蘆河下游。

Keywords Three Gorges Reservoir;anabranch;the area of fluctuant backwater;the model of water quality; 三峽庫區(qū);次級河流;回水變動區(qū);水質模型;

the river valleys which the the Yarlung Tsangpo and its anabranch flow by in the southern part of Tibet and lie between the Gangdise and the Himalaya ranges; 在岡底斯山和喜馬拉雅山之間，即雅魯藏布江及其支流流經的地方，是藏南谷地；