印支地块则仅起转换边界作用；
The Indochina block only played a transitional boundary role.
幸运的是，新api是积极的补充，应该在一段时间里代表对打印支持的最终重要修改。
Fortunately, the new API is a positive addition and should represent the final significant change to printing support for some time.
我想到两个特性，几百列列表的打印支持以及同一台机器上同时运行不同版本IE的能力。
Two that come to mind are printing support for tables that are hundreds of columns wide, and the ability to run different versions of IE simultaneously on a single machine.
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