[Feature] 基于appendData可以海量增量更新数据，目前还需要海量覆盖更新数据
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new-feature
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- Dominant language
- TypeScript
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Description
### What problem does this feature solve?
目前数据源是后端用websocket提供，1ms会有新数据推送。使用setOption会使页面上刻度闪烁，放大缩小旋转角度都特别卡顿。使用appendData是增量更新，显示异常。所以需要一个API，单独渲染指定series，海量实时更新数据
### What does the proposed API look like?
coverData
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