释义 |
constant field短语¹⁴⁴⁹⁷²⁺² 基本例句 常数域,恒定场 The projection optics is designed for a constant field angle and entrance pupil. Thus image always fills entrance aperture and view field of the test optical system. 从光学指标的确定,结构、材料的选取到最终光学性能,阐述了准直投射光学系统的设计。 cnoenet |