在座杆上用一小截胶带做记号 --这个有助于避免遇到装配问题。
Mark your seatpost with a bit of tape – this will help avoid any fitting issues at the other end.
yacc接受成组的记号，并将它们装配为高层次的结构，类似于句子。
Yacc takes sets of tokens and assembles them into higher-level constructs, analogous to sentences.
yacc接受成组的记号，并将它们装配为高层次的结构，类似于句子。
Yacc takes sets of tokens and assembles them into higher-level constructs, analogous to sentences.
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