洋洋捌月
波:wave波源:wave origin频率:frequency波长:wavelength相对频率:relative frequency相对波长:relative wavelength阻力:resistance负阻力:negative resistance
布鲁凡迪克思琪
1550nm----one thousand five hundred and fifty nanometer1310nm-----one thousand three hundred and ten nanometer
最爱串串香
Product nameWorking voltageWorking currentLamp powerUV light wavelengthThe average life of the light tubeHost weigh Lampshade weightEnergy efficiency grade
beckywei12266
波:wave 波源:wave origin 频率:frequency 波长:wavelength 相对频率:relative frequency 相对波长:relative wavelength 阻力:resistance 负阻力:negative resistance .....就是这样的啦。。可以上网查啊。。。。
西夏唐古特
commodityWorking voltageWorking currentTube powerUV light wavelengthsTubes average life expectancyHost weightChimney weightEnergy efficiency rating
我是一只喵
forward beta 正向直流放大倍数reverse beta反向放大倍数primary turns 一次线匝coupling coefficient耦合系数primary inductance初级线圈电感vavelength 是不是wavelength波长lambda希腊第十一个字母satutation current 是不是saturation current饱和电流collector resistace是不是collector resistance集电极电阻wiper position