The sensor compares the current echo with the taught curves representing the empty and filled status of the container and sets the output accordingly.

该传感器比较当前与教曲线代表的集装箱空，充满回声的地位，并设置相应的输出。

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The complexity research were analysed from five aspects: historical review, survey of current situation, evaluation about schools, some views and philosophical echo.

对复杂性研究从五个方面进行了论述：历史回顾，现状概述，学派评介，几点认识，哲学回响。

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According to Doppler theory, simulated echo signal comprise the corresponding Doppler Spectrum, then ocean current velocity can be simulated.

并根据模拟回波信号中包含有相应的多谱勒谱的信息，模拟了海流的流速。

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Science as we know it was consciously created in the 19th century, and in many ways the current wave of data techniques feels like an echo of that first flood of innovations.

FORBES: What the Victorian Age Can Teach Us About Data