Translation of "engineering" into Chinese

I have five sons. Two of them are engineers, another is a teacher and the others are students.

我有五個兒子。其中兩個是工程師,另一個是老師,其餘的是學生。

Traditional divides between the natural, social, economic and engineering sciences and other major stakeholders must be bridged

必须消除自然科学、社会科学、经济学和工程学和其他主要利益有关者之间的传统差距。

Offer accurate pictures of modern engineering’s unisex appeal.

提供对男女皆有吸引力的有关现代工程学的准确描述。