The unidirectionality of grammaticalization is one of the hottest issues in international linguistic field.
近年来，语法化研究中的单向性问题逐渐成为语言学家们关注的焦点。
2
Your equipment design and aseptic processing operator competencies appear to contribute to the lack of unidirectionality.
你们的设备设计和无菌处理操作人员资质貌似与不能保证垂直气流有关。
3
It is argued that (1) the debate over Unidirectionality reflects actually the conflict between the functionalist view of language change and formalist view of language change respectively;