1. Academic refers to systematic and specialized knowledge, which is also a kind of learning knowledge. Generally refers to higher education and research, which is a discipline with its existence and laws. From Historical Records Biography of Lao Fei and Historical Records Biography of Zhang Yi.
2. Science is biased towards research, while engineering is biased towards application and practice. The main difference is that one is academic and the other is application. Generally speaking, boys don't want to do research. Then study engineering.