这是一个小提琴：http: //jsfiddle.net/8jMfa/6/
有人可以向我解释这种行为吗？我整天都在和它搏斗。它似乎以某些缩放级别呈现，但不是其他缩放级别。
可能是因为时间序列在某些时候是不规则的？
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