密度资料 meaning in English

density data

But the data of them are ample so it will be effective to dive geoid by them
而地形资料和岩石密度资料既充足又可靠，用它们来精化高原山区的大地水准面会获得良好的效果。
Based on the ncep / ncar reanalysis products , the sea ice concentration data and the observation rainfall data in china , the seasonal , intraseasonal and interannual variations of the atmospheric circulation in the southern hemisphere ( sh ) are systematically analyzed together with their influences on east asian summer monsoon ( easm ) . the major conclusions are summarized as follows : ( 1 ) in the lower level of the troposphere , the semi - annual oscillation ( sao ) is most active along 40 s and 65 s in the extratropics of the sh . over these latitudes , the variance percentages of sao exceed 70 % , and the anti - phase variation of the sea level pressure ( slp ) between the two latitudes is primarily caused by their sao components
利用ncep ncar再分析资料、南半球海冰密度资料及中国台站降水资料，本文系统分析了南半球大气环流的季节、季节内和年际变化特征及其对东亚夏季风的影响，主要结论归纳如下： ( 1 )对南半球热带外大气环流而言， 40 s和65 s是低层大气准半年振荡最为显著的两个纬带，在这两个纬带上，半年波的贡献都超过了70 ，二者季节变化的反位相主要体现为半年波分量的反位相。