英语语法分析

The design prameters of focus lens and image system are given, and the dynamic measurement error in vibration of the plate is also analyzed, and the way of its autocompensation is presented.

本文在比较各种板厚测量方法的基础上，根据成象原理着重论述了差动式激光三角法测厚技术，讨论了聚先进键和咸象系统结构参数的设计，分析了板材抖动产生的动态测量误差，并提出自动补偿的途径。