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- The purpose of the investigation is to understand the present status of the fish resources in Poyang lake watershed. 较准确地反映了现阶段鄱阳湖西南水域渔业资源的特点和现状。
- Because forestland becomes major source of the increment of the urban land and farmland, the ecological impact of urbanization on this urban lake watershed is remarkable. 流域的城市化具有方向性。城市的快速扩展对林地、灌草、水体等城市湖泊地区的自然生态系统产生显著影响。
- Field trials of rainfall simulation were carried out to study effects of different rainfall intensities and nitrogen fertilizer application rates on nitrogen losses in rice-wheat rotation of Taihu Lake Watershed. 摘要应用田间模拟降雨，研究了太湖流域稻麦轮作方式下，不同雨强和施氮水平对农田氮素径流流失的影响。
- The rapid development of economic and sharp growth of population in Dianchi Lake watershed has caused great changes of land cover,and thus lake eutrophication and crises of water resources. 滇池流域经济的迅速发展和人口的急剧增长引起了流域土地覆盖的巨大变化,由此造成了严重的湖泊富营养化和水资源危机。
- Based on respective unit within the Dianchi Lake watershed,this article divides the pollution sources of totality control and makes a research on the systematic features of each source. 从而为滇池主要污染物总量控制提出了工作重点和具体对象。
- Dongting Lake Watershed, locating in the transition region from the south to the north, is the important base of agricultural production in the south of china, the key zone of bio-diversity. 洞庭湖流域是我国南方重要的农产品生产基地，也是我国生物多样性的关键地带之一，具有典型的地域代表性。
- Keywords Geographic Information System;nonpoint source pollution;West Lake watershed; 地理信息系统;非点源污染;西湖流域;
- Leaving her first job was a watershed in her life. 辞去她的第一份工作是她生活中的一个转折点。
- LAND USE CHANGE IN URBAN LAKE WATERSHED--A CASE STUDY AT DONGHU LAKE, WUHAN 城市湖泊地区的土地利用变化--以武汉东湖为例
- Research on Soil Erosion of Scattered Garden Plot in Dianchi Lake Watershed 滇池流域分散园地土壤侵蚀研究
- Prediction of Soil Erosion at Yangzonghai Lake Watershed Based on GIS and USLE 基于USLE和GIS的阳宗海流域土壤侵蚀量预测研究
- I suppose you also have a caste system in your society. 我想你们的社会里也有一种等级制度。
- A NONLINEAR 3-D MODEL OF THE ATMOSPHERIC BOUNDARY LAYER IN TAIHU LAKE WATERSHED 一个大气边界层非线性三维数值模式及其在太湖流域的应用
- The right to dissent is part of our political system. 有持异议的权利是我们政治体制的组成部分。
- Do you know how to log in to the system? 你知道怎么登录进入这个系统吗？
- Public opinion was against the old feudal system. 公众舆论反对旧的封建制度。
- It is dangerous to walk on thin ice in a lake. 在湖中薄冰上行走是很危险的。
- The system works on the principle that heat rises. 该项装置是按照热力上升的原理运转的。
- A breeze ruffled the surface of the lake. 一阵微风吹皱了湖面。
- The drainage system has been aged. 排水系统已经老化了。
