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51问答网 > 在学校的“元旦”晚会上，远处传来美妙动听的钢琴声，优美的琴声是由于琴弦的______产生的．小刚同学寻声

在学校的“元旦”晚会上，远处传来美妙动听的钢琴声，优美的琴声是由于琴弦的______产生的．小刚同学寻声

2025-03-16 03:06:11

推荐回答（1个）

回答1：

优美的琴声是由于琴弦的振动产生的；小刚同学寻声而去，距发声体越近，听到声音的响度越大；在15℃的空气中声的传播速度是340m/s；小刚很容易辨别出二重唱的男声和女声，是因为他们的音色不同；在医院的走廊和病房通常悬挂“肃静”的警示牌，这种让人们保持肃静的做法属于在声源处减弱噪声．
故答案为：振动；响度；340；音色；声源．

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