City is a macroscopic geographical phenomenon on the land surface and an epitome of human economic and social activities.
城市是位于地表的宏观地理现象，同时也是复杂人类社会的缩影。
Meanwhile the phenomenon of the macroscopic quantum tunneling is also a decay process of metastable state.
而宏观量子隧穿现象同时又是一个亚稳态的衰减过程。
Many scholars have made researches of assaulting police phenomenon according to data or from macroscopic perspective but still on the level of perceptual knowledge.
这已引起学术界的关注，不少学者从袭警现象的数据方面或从宏观的角度来研究这一问题。
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