With the accelerating process of urbanization, the community is becoming the main area where young people flow to.
当前，随着城市化进程的不断加快，社区正成为广大青少年集中流向的主要区域。
Main factors effecting on flow rate in braided river is gradient of anabranch, area of water, roughness and velocity.
影响汊道分流比的主要因素有：两汊的比降、过水断面积、糙率、流速等。
The third part is principal character of debris flow in the research area, involving its survey, law of distribution, main types, activity characters and development trend.
第三部分为研究区泥石流的主要特征，包括泥石流灾害概况、分布规律、主要类型、活动特点以及泥石流的发展趋势。
The calcirudite in upper P1 of Yongning area in Yunnan is identified as the debris flow sediment that can be divided as debris flow deposit, collapse deposit, and the main deposition is debris flow.
在云南省永宁地区，下二叠统（P1）上部砾屑灰岩被首次识别为重力流沉积，其重力流沉积可分为碎屑流沉积、滑塌（崩塌）沉积，以碎屑流沉积为主。
The main sedimentary facies in this area include lacustrine facies and gravity flow facies.
沉积相以湖泊相和重力流相为主。
The main geohazard types of this area are landslide, rockfall and debris flow.
崂山区地质灾害及隐患点发育的类型主要是滑坡、崩塌和泥石流。
The region of upper Lanzhou is main runoff-producing area in Yellow river basin, and the base-flow plays an important role in the runoff.
黄河兰州以上是黄河流域主要来水区，其中基流在来水量中占有相当大的比重。
Main factors effecting on flow rate in braided river is gardient of anabranch, area of water, roughness and velocity.
影响汊道分流比的主要因素有：两汊的比降、过水断面积、糙率、流速等。
Main types of geological hazards in the mountainous area of northwest Hubei Province are landslide, collapse and debris flow.
鄂西北山区地质灾害类型主要为滑坡、崩塌、泥石流。
The waste gangue is easy to initiate and is main solid material of debris flow in this area;
弃土石渣易起动，是该区泥石流固体物质的主体；
The waste gangue is easy to initiate and is main solid material of debris flow in this area;
弃土石渣易起动，是该区泥石流固体物质的主体；
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