这样一来，我们就能破译出按键音与特定按键的对应关系。

Thus to decipher what tone frequency is associated with a particular key. Look at your phone again.

youdao

这样一来，我们就能破译出按键音与特定按键的对应关系。

Thus to decipher what tone frequency is associated with a particular key. Look at your phone again.

youdao