And also students are supposed to register through the touch-tone registration system .

而且，学生应该使用 电话 按键系统来注册。

Information is needed as to how the touch-tone phone can be used in medicine .

需要有关怎样在医学上使用 按钮电话的资料。

It is a touch-tone phone .

这是一个 按键 式电话。

Touch-tone telephones have been marketed in America since 1963 .

按键 式电话从1963年起就开始在美国销售。

You can call your bank and perform a transaction using a touch-tone phone .

你可以用 按键 式电话机给银行打电话，进行交易。

Cover open alarm open the lid if the case of dehydration through the alarm closed the lid and then to continue until dehydration ; external buzzer circuit is mainly used for touch-tone or buzzer alarm use .

桶盖打开则报警，若脱水时遇桶盖打开则通过显示报警，直到闭合桶盖后才能继续脱水处理；外接蜂鸣器电路主要用于 按键 音 提示或者鸣叫报警。