使用本类里的单选按钮，你可以选择使用底片常数的一次、二次或三次拟合。

Using the radio buttons in this section, you can set the software to use linear, quadratic or cubic fits for the plate constants. Small field CCDs usually require no more than a linear fit.

youdao

使用本类里的单选按钮，你可以选择使用底片常数的一次、二次或三次拟合。

Using the radio buttons in this section, you can set the software to use linear, quadratic or cubic fits for the plate constants. Small field CCDs usually require no more than a linear fit.

youdao