[湖南科技大学报社科版期刊模板] [希歩 ] [S�ch+m?i] [flute player hears four beats per second when she compares her note to a fC = 523 Hz tuning fork (thenote C). She can match the frequency of the tuning fork by pulling out the tuning joint and lengthening thepipe of the flute slightly. What was the flute player’s initial frequency ff ?] [brendan plageman] [cao cấp] [Tiếng anh lá»›p 5] [法律非法学26考研院校热度排名] [thuyÒ��¡Ò�a�ºÒ�a�¿t sao cho phÒ��¡Ò�a�»Ò�a�¥c] [Bức xúc không làm ta Vô can]