liangyibo/local_segment: 本地化segment @ main

liangyibo f71cba6e8a init		1 mese fa
..
datasets	f71cba6e8a init	1 mese fa
metrics	f71cba6e8a init	1 mese fa
__init__.py	f71cba6e8a init	1 mese fa
_timing.py	f71cba6e8a init	1 mese fa
eval.py	f71cba6e8a init	1 mese fa
utils.py	f71cba6e8a init	1 mese fa