The control card may indicate that the program is on the master system tape or on CARDS.
控制卡可以指出程序是在主系统带上还是其他卡片上。
Master: (1) A plate for a duplicating machine or small offset machine. (2) Original tape, disc, film, etc from which copies will be made.
纸版，（2）原版样：（1）复印机或小型柯式机用的印版。（2）作复制用的原版磁带，磁带，菲林等。
Based on PWM technique, the energy from battery discharges return to the master tape of DC, which has the advantage transmitting energy through two directions and realizes energy callback.
采用PWM调节方式，实现了能量的双向传递，将电池放电能量回馈到直流母带，解决了电池放电能量利用这一技术难题。
A master copy of something such as a film or a tape recording is an original copy that can be used to produce other copies.
柯林斯字典里查来的英语解释，电影或磁带就是指母带。可以用来做其他拷贝。在专业词汇里面的意思应该跟上面一样的。
A master copy of something such as a film or a tape recording is an original copy that can be used to produce other copies.
柯林斯字典里查来的英语解释，电影或磁带就是指母带。可以用来做其他拷贝。在专业词汇里面的意思应该跟上面一样的。
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