稳定波长负反馈
Wavelength stabilization feedback
恒定波长记录
constant wavelength recording
CWR
自由选定数组法
discretionary array method
稳定波长反馈
Wavelength stabilization feedback
测定波长范围
total range of wavelength
热稳定波长标准具
thermal wavelength reference
定波速段
constant wave-speed section
选定端口以搜索字体
select port to search for fonts
光电式定波形发生器
photoelectric wave-form generator