These years, in order to gain more economical benefit, some corporations are going to adopt three-dimensional CAD software after application of two-dimensional CAD technology.
近些年来，一些企业在完成了二维CAD技术应用之后，开始转向三维CAD技术，以取得更大的经济效益。
Manufacturing Foreign-invested enterprises: We adopt the policy of "Two Exemptions and Three 50%-Reductions".
生产型外资企业实行“两免三减半”，产品出口型和高新技术企业减半期延长三年。
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