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陈浩，钱宇虹，周晓琴，郭梦和

Study of three-dimensional speech chart by time-frequency analysis in Chinese Mandarin
Monosyllabic word phonemes

CHEN Hao, QIAN Yu-hong, ZHOU Xiao-qin, GUO Meng-he

南方医科大学学报 . 2010, (08): 1805 -1809 .