The model of machine product conceptual design under virtual environment already is not stay no longer stage of tradition's principle sign. But it should have audio-visual and sight.

虚拟环境下的机械产品概念设计模型已不再停留在传统的原理符号设计阶段，而应具有直观性和可视性。

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Shenzhen Poshen SIGN-Designing Limited Company specializes in sign system and construction plan, design, production, installation as well as developing the environment design.

深圳市柏申标识有限公司是一家专业从事标识系统工程规划、设计、制作与安装，开发环境标识产品的有限责任公司。

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