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1·The three streams had similar latitude, river length and watershed area. All were the tributaries of the Yangtse River and located in the upstream areas.

探讨与香溪河具有相似纬度、相似河流长度和流域面积，同为长江上游支流的九龙河和冈曲河的大型底栖动物的群落结构特征与香溪河的差异。

2·The watershed of the area may be a consideration.

可以考虑当地的分水岭地区。

3·Being part of the macroscopic ecology research area, many macroscopic ecology methods should be used in the watershed ecology research.

流域生态学属于宏观生态学的研究领域，主要借助于宏观生态学的研究方法。

4·The Naoli River Watershed is an important breeding area for rare and endangered Oriental White Stork.

挠力河流域是濒危水禽东方白鹳主要繁殖区域。

5·The Shulehe Watershed is the least developed region in the Hexi Corridor and is an important area of agricultural development and immigration in Gansu Province.

疏勒河流域是河西走廊开发利用程度最低的地区，也是甘肃省农业开发和移民的重点地区。

6·Mostly because of water and soil loss the soil fertility became declining from watershed to the edge of gully, and the area was enlarging from gully valley to riverbed.

从分水岭到沟缘，土壤肥力呈衰减趋势，沟谷地向沟床呈增大的变化趋势，其主要是水土流失的结果。

7·In the mountainous watershed of the Heihe River, the runoff coefficient is much larger than that of the whole arid area, but it is still less than the average value over the whole country.

黑河山区流域径流系数远比干旱内流区的平均值大，但要小于全国的平均径流系数。

8·Therefore, a marked watershed algorithm was employed in this paper to select human ear image from the valid area.

为此，本文将标记分水岭算法应用于人耳有效区域的分割。

9·Hemingguan watershed and Lizikou watershed, lying in the Xihe basin which belongs to the Jialing River, were selected as the research area in this paper.

本文以位于嘉陵江中游一级支流西河的鹤鸣观小流域和李子口小流域为主要研究区域。

10·When searching for the distributed watershed hydrological model in a small basin, first of all we need to estimate area precipitation from point hourly precipitation through spatial interpolation.

在做小流域分布式水文模型研究时，首先需要对时段降雨进行空间插值。