天气预报 > 其他 > 为什么调音要用音叉
为什么调音要用音叉
更新时间: 2020-11-07 00:00:00  

调音要用音叉是为了确定钢琴小字一组的A音(C大调Ⅵ级)。可以通过敲动,听声音或者含嘴里通过骨头传导以此来校准A音。音叉是呈“Y”形的钢质或铝合金发声器,各种音叉可因其质量和叉臂长短、粗细不同而在振动时发出不同频率的纯音。

关键词: 为什么 音叉

为什么调音要用音叉相关经验

天气预报

最新推荐

页面:/news/view-658781/ | 耗时:0.2889 s | 内存:2.11 MB | 查询:4 | 缓存读取:3 写入:0 | 加载文件:25
select * from tbl_Articles WHERE ArticleID=658781 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=658781 LIMIT 0,1
select * from tbl_Articles_sphinx where id=658781 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1130242,2129547,2669124,3357467,1128445,1113972,1108664,1096527,3324896,1064653,1128991,1127479,1126557,1044841,1920076,1098271,1049030,1079069,1100643,1130993,1099957,1609175,1078380,1096857,1724190,214452,256543,1083140,1304459,1329223) ORDER BY field (ArticleID,1130242,2129547,2669124,3357467,1128445,1113972,1108664,1096527,3324896,1064653,1128991,1127479,1126557,1044841,1920076,1098271,1049030,1079069,1100643,1130993,1099957,1609175,1078380,1096857,1724190,214452,256543,1083140,1304459,1329223)