1.【光】(光学仪器上的)分划板,标线片;标线,十字线
1.a grid of fine lines in the focus of an optical instrument, used for determining the scale or position of what is being looked at
1.Test Method for Calibration Verification of Laser Diffraction Particle Sizing Instruments Using Photomask Reticles
用光掩模原版校准检验激光绕射粒子定尺寸仪器的试验方法
2.Standard Guide for Calibrating Reticles and Light Microscope Magnifications
校准标度线和轻型显微镜放大的标准指南