标记脉冲

marking impulse的用法和样例：

例句

In teletypewriter applications,the uniform shifting of the beginning of all marking pulses from their proper positions in relation to the beginning of the start pulse.在电传打字机应用中，所有标记脉冲首部从它们的正常位置相对于启动脉冲首部的均匀位移。

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