求翻译：专业课程主要有汽车构造、汽车理论、发动机理论、发动机构造、汽车检测技术、汽车运用工程、交通工程学、交通流等。是什么意思？

Professional courses are automotive construction, automotive theory, engine theory, engine construction, automotive testing technology, automotive application engineering, traffic engineering, traffic flow and so on.

Professional courses are mainly motor construction, motor theory, engine theory, engine construction, motor vehicle use detection technology, engineering, traffic engineering, traffic flow, and so on.

The special course mainly has the automobile manufacture, the automobile theory, the engine theory, the engine structure, the automobile examination technology, the automobile using the project, the traffic engineering, the transportation flows and so on.

Professional courses have theory of theory of automobile construction, automobile, engine, engine construction, vehicle detection technology, Automobile Engineering, traffic engineering, traffic flow, and so on.

Professional courses have theory of theory of automobile construction, automobile, engine, engine construction, vehicle detection technology, Automobile Engineering, traffic engineering, traffic flow, and so on.