The filter will retain all the impurities, leaving only a gold (III) chloride solution.

所有的杂质都会留在滤纸上，而三氯化金则可以顺利通过滤纸。

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Now, all we need to do is filter everything once again. The filter will retain all the impurities, leaving only a gold (III) chloride solution.

现在我们要做的就是把所有的东西再过滤一遍。所有的杂质都会留在滤纸上，而三氯化金则可以顺利通过滤纸。

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The input (record) is filtered by the application of an optimum bilateral exponential filter, and the output model of gold signal for each line is produced.

利用最佳双边指数滤波器，输入信号（记录）进行滤被面得出各测线上金的信号输出模塑。

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