Public Security System Engineering 即治安系统工程 ; 治安系统工程
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。
This engineering is a part of Wuhan public health safety insurance system.
该工程是武汉公共卫生安全保障体系的一个组成部分。
This invention refers to public telephone, data exchanging network system engineering tech.
本发明属于公用电话、数据交换网系统工程技术。
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