The tracking system in video tape recorders (VTR) can only track accurately at normal speed.

录像机中的跟踪系统只有在以标准速度运行时才能进行准确跟踪。

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The performance of servo control system determines the reliability and stability of VTR (video Tape Recorder), and enables ultimately VTRs to record and replay video signal accurately.

伺服控制系统的优劣决定着录像机的可靠性及稳定性，是录像机得以正确记录和重放视频信号的根本保证。

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The performance of servo control system determines the reliability and stability of VTR (video Tape Recorder), and enables ultimately VTRs to record and replay video signal accurately.

伺服控制系统的优劣决定着录像机的可靠性及稳定性，是录像机得以正确记录和重放视频信号的根本保证。

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