It seems like some of them apply to mechanical, electrical and system engineering.

似乎有一些观点是适用于机械，电子和系统工程的。

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For example, Ma Lei, a mechanical engineering graduate, has invented an underwater defense system based on Zhang's hypothesis and it has been patented by China's State Intellectual Property Office.

譬如，海带缠潜艇的设想已经被一名机械工程专业的研究生马磊付诸实践，转化成为了一种水下防御系统，并申请了国家专利。

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ADSS engineering design is a complicated system engineering, deal with mechanical, electric, climatic and geographic factors and the specialized subjects of line, mechanical, optical fiber and cable.

ADSS工程设计是一项综合性的系统工程，涉及到机械、电气、地理、气候等因素以及线路、机械、光纤光缆等专业。

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