在允许脉冲序列输入之前，A的通信号必须消失。

The enable-A signal must be released before the pulse-train inputs are enabled.

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此后，将波形序列输入到数字 模拟转换器中（100），其中该波形序列具有在边界处的零偏移。

Thereafter a waveform sequence is input into the digital-to-analog converter (100), wherein the waveform sequence has a zero offset at the boundary.

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本文面向手写字符序列输入信号连续识别研究，分析了汉字及联机手写文本的特点，提出并构建了手写汉字部件集。

The paper introduces a handwritten Chinese character radical set which is established oriented for the research on continuous handwritten character sequence recognition.

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