求翻译：首先对珍珠泉景区CAD数据源进行分类转换、数据编辑等预处理工作；然后用三种方法建模，并且从不同精度的相同方法和相同精度的不同方法来比较出最佳的建模方法，得出珍珠泉的数字高程模型；在此基础上，利用ArcSence软件对珍珠泉的数字高程模型进行晕渲图、明暗等高线、分层设色地形图、影像叠加漫游的制作来实现对珍珠泉景区的可视化表达。是什么意思？

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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