flood plain deposit是什么意思

用法例句

Three levels of sampling,1 sample/1km 2, 1 sample/100～1000km 2 and 1 sample/1000～10000km 2 were designed to test the representativity of wide spaced floodplain sediment sampling.

设计了１个采样点／１ｋｍ２、１个组合样／４ｋｍ２，１个采样点／１００～１０００ｋｍ２和１个采样点／１０００～１００００ｋｍ２３个层次的采样密度，系统研究了泛滥平原沉积物的超低密度采样代表性。

Chinese character is the only pictograph using in the world,as the material carrier of China s traditional culture,it has been showing its prolonged glamor as the Chinese reserch and culture are more and more popular and the "word explanation" can be found in the field of Chinese explanation,we are facing the crisis of culture overflows.

随着汉字研究的逐渐深入和汉字文化热的升温,汉字文化阐释领域内“字说”现象有所抬头,汉字阐释面临文化泛滥的危机。