as much／many＋名词＋as＋从句

和什么一样多 much修饰不可数 many修饰可数

as +adj+ as 像什么一样
as +adj +a/an + 名词+ as 像什么一样的
当形容词变成many 或much时，他意思就是“和。。。一样是”
eg music is as much an art as painting.

“和……一样多 ”
much修饰不可数， many修饰可数