First zhenzhuquan scenic cad data source classification conversion, data editing and preprocessing; then modeled using the three methods, and the best modeling method to compare different methods from the same approach to different precision and accuracy. the obtained zhenzhuquan the digital elevati

Prime Minister Junichiro Koizumi to Pearl CAD scenic area data source for classification conversion, data editing, and processing; and then in 3 ways, and modeling from different accuracy in the same way and the same accuracy of the different ways to compare the best modeling method to arrive at the

First carries on the classification to the Zhenzhu spring scenic area CAD data pool to transform, pretreatment work and so on data edition; Then with three method modellings, and compares the best modelling method from the different precision same method and the same precision different method, obta

First on Pearl spring scenic CAD data source for classification conversion, and data edit, pretreatment work; and with three species method built die, and from different precision of same method and same precision of different method to comparison out best of built die method, came Pearl spring of d

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