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http://www.9cbs.net/develop/read_article.asp?id=12058
The low coupling of football tactics, high-end agglomeration and reconstruction articles assume that the pass between the forward and avant-garde is required, then there are two ways to pass the ball, 1. The defender is passing to the avant-garde and striker. 2. The defender is passing to the avant-garde, then the former Wei ball will give the striker. The latter is lower than the head of the former, and the internal gathering of the defender is high. What is the benefit of this? This means that the striker can be reused separately without relying on the side guards of the assists. And high-gathered guards, only need to complete the defensive task. Imagine a player to complete the striker, avant-garde, and defending all the duties, the scene on the court :) But if you don't need multiplex, low coupling is not so important. Reconstructing the completion of many functions ("big categories"), and the defending completed many functions ("long method"), can make system performance better :) Scheme 1: ______________________ | | | | | -------- | avandes | | ___________ | | _____________ | | | ----------- | Forward | | | | | | | | | | Solders | -------- | avant-garde | | ___________ | | __________ | | ____________ |