扩声系统对小学教室汉语语言清晰度的影响

彭健新王丹

Effect of Sound Reinforcement System on Chinese Speech Intelligibility in Primary School Classrooms

PENG Jian-xin WANG Dan

华南理工大学学报（自然科学版） . 2017, (6): 25 -30 . DOI: 10.3969/j.issn.1000-565X.2017.06.005