Objective To explore an objective and precise method of measuring the angles of human ears.
目的探索一种客观、准确地测量耳廓夹角的方法。
Optical methods is a main and important method for precise measuring small Angle.
光学方法是一种精确测量小角度的主要方法和重要手段。
A wetness measurement system based on cavity perturbation method is designed for precise measuring, including automatic frequency tracing system and equal precision frequency measurement system.
以汽轮机内蒸汽湿度的准确测量为目的，设计了基于微波谐振腔微扰法的蒸汽湿度测量系统：自动频率跟踪系统和等精度频率测量系统。
应用推荐