据此开发的三维模型软件，将更大地提高设计效率和质量。
Both design efficiency and quality were greatly enhanced with this three dimensional model software.
三维模型虚拟设计是机械设计的必然趋势。
Three-dimentional model virtual design is the tendency of mechanic design.
基于三维设计软件CATIA，构建了二级齿轮减速器的实体模型。
Based on CATIA, the model of the secondary gear reducer is built.
基于三维设计软件CATIA，构建了二级齿轮减速器的实体模型。
Based on CATIA, the model of the secondary gear reducer is built.
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