language proficiency meaning in English

语言熟练度
语言水平

Cad hosts aviation language proficiency seminar
民航处主办航空人员语言能力要求研讨会
Academic and language proficiency requirements -
学历及语文能力要求-
By expanding language proficiency training in chinese and english
加强中、英语文能力的训练
Language proficiency of english teachers
英文科教师的英语水平问题
Release of results of the language proficiency assessment for teachers
教师语文能力评核公布成绩

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