With the annual maximum frozen soil depth data of China, analysis is made of the special distribution and decadal change during the recent 50 years.
利用我国年最大冻土深度数据集，分析了我国最大冻土深度的空间分布及年代际变化。
Paper narrates the functions of the underwater attitude data collection, depth data collection, memory and VFD display system as well as the software, simply introduces relevant chip.
讲述了水下航向姿态数据采集、深度数据采集、存储器、VFD显示系统以及上位机软件的各部分功能，简单介绍了有关芯片。
The transformation on mathematical basis of modern historic chart, the correction of the horizontal coordinate and depth data on the charts for the waters off Zhejiang coast are elaborated.
近代历史海图数学基础的转换；浙江海区近代历史海图的平面坐标改正和深度基准面改正。
Water depth data (main parameters), which was matching to model's grid structure, was obtained by using the function of GIS digital elevation model (DEM) to linear-interpolate the isobath of chart.
在模型参数求取中应用了GIS的数字高程模型(DEM)功能将海图等深线通过线性内插得到与模型网格相匹配的具有栅格结构的水深数据(模型的主要参数)。
Water depth data (main parameters), which was matching to model's grid structure, was obtained by using the function of GIS digital elevation model (DEM) to linear-interpolate the isobath of chart.
在模型参数求取中应用了GIS的数字高程模型(DEM)功能将海图等深线通过线性内插得到与模型网格相匹配的具有栅格结构的水深数据(模型的主要参数)。
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