我没有看到过这样的实现，但是如果能够实现将是非常有效。
I've not seen this done, but it could be very efficient if done well.
如果能够实现这些目标，可望大量减少空气污染对健康带来的急性和慢性影响。
If these targets were to be achieved, significant reductions in risks for acute and chronic health effects from air pollution can be expected.
最后，在持续时间长的编辑会话中，如果能够实现自动保存(如图4所示)用户将非常高兴。
Finally, in long-lasting editing sessions, users will be very grateful if you implement auto-save (as illustrated in Figure 4).
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