[数] 比例因子

proportional factor的用法和样例：

例句

The scaling factor must be an integer for fixed-size elements.固定大小元素的比例因子必须为整数。
The vertical scaling factor is an important parameter in the application of fractal interpolation method, which meanly decides the accuracy of the interpolation.在分形插值方法中，垂直比例因子是影响插值精度的主要因素。

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