I had several titles at that time: branch manager, project manager, technical lead, principle engineer and systems architect.

我当时有多个头衔：分公司经理、项目经理、技术总监、首席工程师和系统架构师等。

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Liaise with all China customers answering all questions with assistance from Technical Director, Design Engineer, Purchasing Officer and Quality Manager as required.

联系所有中国内客户并在“技术总监”、“设计工程师”、“采购人员”以及“质量经理”的协助下回答客户提出的所有问题。

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Technical Economy Analysis is a new edge brink subject between technical science and economic science. It is needed for engineer and manager.

技术经济分析是一门技术科学与经济科学交叉的新兴边缘学科，既是工程技术人员又是管理人员必须掌握的一门学科。

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