最近看了一些包括Rational Rose 2003 在内的些书，感觉中文的UML还是较少，无奈本人只有四个级看不大懂。这本是电子工业的PDF中文的UML入门级书。-recently read some, including Rational Rose 2003 of these, the feeling of the Chinese UML or less, unfortunately I only see four little-understood. This is the electronics industry's PDF Chinese UML entry-level book.