luckykora 发表于 2012-12-5 15:16 13楼已经很好的诠释了,这一切取决于layout,等长且不要太长,预留匹配电阻,ddr已经很成熟,需要的可以看看了解 ...
Undo
Redo
Table
Removeformat
Autotypeset Left Center Right
FloatLeft FloatRight Orderedlist Unorderedlist
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