We all know there exists a great void in the public educational system when it comes to exposure to STEM (Science, Technology, Engineering and Mathematics) courses.

众所周知，当提到接触 STEM（科学、技术、工程学、数学）课程时，公共教育体系存在巨大的空白。

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This paper is based on research of some related educational theories methods about the network education. And it develops the Virtual Model Experimental System based on Web of Engineering Graphics.

本文基于对网络教学相关教育理论、方法的研究，开发了工程制图模型虚拟实验系统。

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Agricultural Facility of Science and Engineering is a brand new program. Presently, there is no complete practice educational system to be used for reference.

设施农业科学与工程是一个全新的专业，目前还没有一个比较完善的实践教学体系可以借鉴。

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