所有的程序都必须要指定一个输入磁带，并且指定哪一个逻辑地址或者分配单元必须被分配给这个公共输入带。
An input tape designation is required of all programs and determines which tape logic or location should be assigned to the common input tape.
中央的电磁带扣里安装有音频放大单元。
The center buckle featured an audio enhancement unit built into the electromagnetic clasp.
听本单元的录音磁带三遍。
应用推荐