底片常数的英文

plate constants

• 底片:    negative; photogra ...
• 常数:    constant
• 底片常数法:    method of plate co ...

例句与用法

1. Reference stars : star with known position and / or magnitude , that are used to find the plate constants and photometric calibration of an image
   参考星：已知位置和/或星等的恒星，用于确定图片的底片常数和光度校准。