ʶһ⿴ġʲôأ
һܵɿĶͨԷľǡ
ڶ ķ
ĴСǿͬĸߵҲͲͬγ˸ǿ
ַΪ롰֡
1(musical tone)
йɵġģȷĸ߶ȣҲߣdzΪ
2(noice)
ûһ߶ȵµdzΪ
ʿԷΪ͡ǿ̣ɫȼ֡
ôIJͬԲŻͬʹǿʽɡҲͨһɫDZһɸٵģһСŴġСͬǵָͬҲЩŮЩеȵЩͬķ壬֣ᷢ
Ҫõġ