回复闃垮
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> 闃垮 wrote: >今天收到个网友的信，还没看，放在这里先。谁来看看？ > >I have two links which you may have interests in=) > >Math and the Musical Offering [illustration of how math relates to canons] >@ http://www.ams.org/featurecolumn/archive/canons.html > > >The Canons a...
用两个手指一起，可以上下滑动文本编辑区。