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钟控彩色电视同步机是为有源电视时频发播控制研制的设备之一。
The colour TV synchronizer controlled by a clock is one of control equipments developed for active TV synchronization.
youdao
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钟控彩色电视同步机是为有源电视时频发播控制研制的设备之一。
The colour TV synchronizer controlled by a clock is one of control equipments developed for active TV synchronization.
youdao