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315 Activities V
exact: like: hệ điều phối
VNEN 
hệ điều phối * ☊ 
monitor * ☊
[ hệ ] : branch, system; generation
[ điều ] : (1) thing, matter, item; article (of penal code, constitution); (2) smoking pipe; (3) bird [=chim]
[ phối ] : correspond (to with), conform (to), put together; to distribute; to mate, marry