老杜是我电机系的同学,他一直和我们不太一样:我们选课的时候总是选容易的,他却不然,在大学的时候,就到数学系去选课,而且他也将电磁学学得非常好。毕业以后,老杜进了一家小公司做事,当时大家都热衷于数字线路,只有他一个人做的是模拟线,我们都觉得他有点头脑不清楚。没想到,多媒体时代到来之后,他练好的功夫大 Lao Du was a classmate at my motor department and he was not the same with us: we always choose the easy ones when we go to the lectures, but he does not go to the maths department to go to the lectures at the university, and he also writes electromagnetism Very good. After graduation, Du had been working in a small company. At that time, everyone was keen on digital lines. The only thing he did was a simulation line, and we all thought he was a bit confused. Unexpectedly, after the advent of the multimedia era, he practiced a great kung fu