Disadvantages Event sampling It is difficult to observe all incidents of key behavior over large areas.
在一个大的区域里对所有关键行为事件的观测是困难的。
Disadvantages Event sampling It is difficult to observe all incidents of key behavior over large areas.
事件取样：在一个大的区域里对所有关键行为事件的观测是困难的。
Advantages Event sampling Limits the behaviors observed, thus reducing the chance that the behavior of interest will be missed.
事件取样：限制行为观测（的数量），因而减少感兴趣行为被忽略的可能性。
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