换句话说，我可以只取输出的整数部分并使用它作为预期输出代码的合适位。
In other words, I can simply take the integer portion of the output and use that as the appropriate digit of the expected output code.
量化步骤会进行实际的压缩动作，部分信息会丢失。转换步骤的输出值经过取整，大部分是零，只留下几个整数系数。
The quantization step is the actual information-losing step where compression occurs; the output values of transform are rounded, mostly to zero, leaving only a few integer coefficients.
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