A "time-tape" is not at all mandatory since full instruction for using a regular clock are given in the instructions for all reading.
“时间磁带”并非必须的，因为使用普通时钟的完整指引于所有阅读指引中给出。
A "time-tape" is not at all mandatory since full instruction for using a regular clock are given in the instructions for all reading.
“时间磁带”并非必须的，因为使用普通时钟的完整指引于所有阅读指引中给出。
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