Rational ratio conversion can be realized by integer and fraction ratio conversion.

有理数采样速率转换可以划分为整数倍和分数倍采样率转换。

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For integer ratio conversion, the filters would be time-invariant, but for fractional ratio conversion, the filters would be time-variant whose structure is more complex.

实现整数倍采样率转换可以采用时不变滤波器，然而实现分数倍采样率转换一般需要采用较复杂的时变滤波器。

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Model CR118 has a Fraction to Decimal Conversion Chart and Trigonometric Ratio Equations etched on the front side.

CR118 模型的正面刻有一个分数到十进制的转换图和三角比公式。

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It should be noted that the preferred shares are convertible, with a conversion ratio of 83.668.

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It should be noted that the preferred shares are convertible, with a conversion ratio of: 20.

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Of course, the more user-friendly the process is, the better the conversion ratio becomes.

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