fst:有限状态传感器 佐贺贤治 用法 import fst # Encode a string as an FST, using white space as separator myfst1 = fst . linear_chain_from_string ( "This is a test" , ' ' ) # Create an FST transition by transition myfst2 = fst . FST () myfst2 . add_transition ( 'w0' , 'w0' , 'This' , 'this' , 1 ) myfst2 . add_tran