It is known that flat areas and closed depressions often arise because of low quality input data, interpolation errors during DEM generation et al.
DEM中的闭合洼地和平坦区域是由于低质量的资料输入、生成DEM时的内插误差等引起的。
Checked: Data entered by the user is checked for input errors and the user is provided an opportunity to correct them.
检查：检查用户输入的数据是否有输入错误并且给用户提供一个修改他们的机会。
The data of GIS include space data and property data. Position errors are mainly from errors of direct measurement, digitalization of map, data input and store.
位置误差主要来源于直接测量的误差、地图数字化的误差遥感数据的误差、数据转换误差、数据输入与存储误差。
The data of matrix a are input into the computer, which induces flopping errors.
当矩阵a的数据输入计算机时，会产生浮点误差。
Capture data entry errors by restricting the input controls so that they only accept text.
捕捉数据输入错误，让每一个输入control只接受文字。
Capture data entry errors by restricting the input controls so that they only accept text.
捕捉数据输入错误，让每一个输入control只接受文字。
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