本文在室内和温室内模拟浅水湖泊环境培养黑藻，通过研究水-沉积物-黑藻中不同形态磷的转化及其相互关系，揭示不同形态磷在水-沉积物-沉水植物体系中的转化机理和影响因子。
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中晚渐新世，以湖泊环境为主，古水流以东北向为主，古气候条件相对温暖潮湿；
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For town and city supply , surface-water is furnished by some adjacent pond or lake.
城市供水, 地表水是由某邻近池沼溏或湖泊提供的.
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Officials are monitoring the lakes and have sent experts to assess them, the agency said.
官员正在监测湖泊,并已派出专家评估他们, 该机构(新华)说.
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Environmentalists are working to improve the quality of our lakes and rivers.
环境保护人士正对于改善我们的湖泊和河川品质做努力.
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Refers to Water area of rivers, lakes, ponds, reservoir, etc.
指江、河、池塘 、 湖泊 、 塘堰 、 水库等各种流水或蓄水的水面占地面积.
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Reliability of NCEP/ NCAR Reanalysis Data in the Lake and Glacier Area in the Nam Co Basin
NCEP/NCAR再分析资料在纳木错流域湖泊/冰川区适用性分析
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Scotland has many lakes and mountains, and famous for its beautiful countryside.
苏格兰有许多湖泊和山脉, 并以其乡村美景闻名于世.
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North China Plain, the largest freshwater lake-Baiyangdian is located in an new.
华北平原最大的淡水湖泊 — 白洋淀就位于安新境内.
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Then a lake formed, probably after an eruption blocked some rivers or streams.
可能是一次火山喷发之后,一些河流或溪水被堵塞了,形成了湖泊.
词典精选例句
In the heat of the sun, water evaporates from seas, rivers and lakes.
正在太阳的映照下，水从大年夜海、河流战湖泊上蒸收。
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As might be expected, tropical lakes may be exceedingly productive if nutrients are plentiful.
如所想象的那样, 热带湖泊如果营养物丰富,那么会特别高产.
词典精选例句
从前，地球上没有的河川和湖泊，但只有东海，那里居住了四条龙：长龙，黄龙，黑龙和珠龙。龙川四都话在两字词组中只有去声不变。
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