They have different emphasize particularly . the most difficult work is microcosmic simulation of traffic flow , and knowledges which came down to are very abroad . although that , it has very large practical meaning 對(duì)于交通流仿真而言微觀仿真尤其難以實(shí)現(xiàn),其中涉及到的知識(shí)相當(dāng)廣泛,但是它的現(xiàn)實(shí)意義卻是相當(dāng)?shù)拇蟆?