Otherwise, the original character is placed in the output stream, and the input stream is reset to the original position.

否则，将原来的字符放到输出流中，并且将输入流重置到原始位置。

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The input information is contained in the output stream as a density of ones with a data rate up to 20 MHz. The original information can be reconstructed with an appropriate digital filter.

输入信息包含在数据率最高为20 MHz的输出流中，通过适当的数字滤波器可重构原始信息。

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