Thursday, May 2, 2024
Sunday, May 12, 2024
问题:对踏板作用描述错误的是()。A、踏板可以改变音色和音量B、踏板可以增强或减弱琴弦的发音C、踏板可以控制音的高低和音准D、踏板可以延长或缩短琴弦的发音
Wednesday, January 10, 2024
Saturday, March 9, 2024
Tuesday, December 12, 2023
Sunday, September 17, 2023
Sunday, September 11, 2022
Monday, April 29, 2024
Sunday, May 12, 2024
问题:琴键静阻力(不含制音器)为()。A、75g-5g。B、75g-55g。C、75g-25g。D、75g-35g。
Thursday, March 28, 2024
问题:中型钢琴的最低音的琴弦长度大约为()毫米,最高音的琴弦长度大约为()毫米。
Tuesday, December 12, 2023
Friday, April 5, 2024
Friday, September 16, 2022
Saturday, July 15, 2023
Friday, April 5, 2024
Thursday, March 28, 2024
Friday, September 16, 2022
问题:关于琴弦振动频率描述错误的是().A、频率与弦长成反比B、频率与弦张力的平方根成正比C、频率与弦直径成反比D、频率与弦质量密度的平方根成正比
Wednesday, January 10, 2024
Sunday, July 9, 2023
Sunday, September 11, 2022