求翻译：非语言符号是传递知识信息，实现师生互动的重要手段。正确地利用视觉性、听觉性以及其他非语言符号能够有效地提升成人课堂教学质量,完善教学艺术,更好地完成教学目的。文中简要的介绍了非语言符号的概念，并结合成人课堂教学的特点，举出实例详细说明了其在成人课堂教学中的优势。是什么意思？

Non-verbal symbols is to pass knowledge and information, an important means to achieve student-teacher interaction. Correct use of visual, auditory, and other non-verbal symbols can effectively improve the quality of teaching adults, improve the teaching art, to better accomplish the purpose of teac

non-linguistic symbols are impart knowledge and information, and achieve an important means of teacher-student interaction. Correct use of visual, hearing, as well as other non-linguistic symbols to be able to effectively improve adult teaching and learning in the classroom teaching art, perfect qua

The non-language mark transmits the knowledge information, realizes important method which the teachers and students interact.Uses visual correctly, the sense of hearing as well as other non-language mark can promote the adult classroom instruction quality effectively, perfect teaching art, complete

Non-linguistic symbols is to deliver knowledge information, important means of achieving the teacher-student interaction. Correct use of Visual, hearing, and other non-linguistic symbols are able to enhance the quality of classroom teaching of adult education, perfecting the art of teaching, better

Non-linguistic symbols is to deliver knowledge information, important means of achieving the teacher-student interaction. Correct use of Visual, hearing, and other non-linguistic symbols are able to enhance the quality of classroom teaching of adult education, perfecting the art of teaching, better