University teachers usually teach specialized knowledge in class.

大学教师通常在课堂上讲授专业知识。

Operating a chemical tanker requires specialized knowledge.

化学品船的操作需要专业知识。

Learning forging technology requires mastering a lot of specialized knowledge.

学习锻造工艺需要掌握很多专业知识。

Studying medical imaging requires mastering a lot of specialized knowledge.

学习医学影像学需要掌握很多专业知识。

Repairing electrical machinery requires specialized knowledge.

维修电机需要专业知识。

Translating technical documents requires specialized knowledge.

翻译技术文档需要专业知识。

Repairing a hydraulic system requires specialized knowledge.

维修液压系统需要专业知识。

The installation of a sonet network can be complex and requires specialized knowledge.

安装sonet（Synchronous Optical Network，同步光纤网）网络可能很复杂，需要专业知识。

Training Sales Engineer and develop sales skill and specialized knowledge.

对销售人员进行培训提高其销售技巧以及专业应用知识.

Teaching is a kind of special cultural activity and the specialized knowledge for teaching is obtained through implicit learning.

教学作为一种特殊的文化活动，其某些专业知识是通过隐性学习而获得的。