这对移动设备来说有点麻烦，因为高速的Wi - Fi连接还不普及，同时手机数据连接已经很拥挤了。
This is particularly troublesome on mobile devices, since fast Wi-Fi connections aren't ubiquitous and cellular data connections are already getting jammed.
将尽可能多的数据塞进一个给定的空间里，同时又不显得拥挤，这一点很重要。
It's important to squeeze as much data as you can into a given space without it feeling compressed.
使用同一比例来绘制每个图是没有用处的，很多图要么非常大，要么非常小，数据要么拥挤在一个角上，要么分散在整个页面上。
Using the same scale on each graph was useless as many graphs were either too small or too big, and the values were either all crunched down in one corner, or plotted off the page.
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