infrared spectrum是什么意思

infrared spectrum是什么意思 SPECTRUM是什么牌子 spectrum spectrum spectrogram和spectrum区别是什么? 英语翻译Qualitative Infrared Analysis-Infrared analysis shall be conducted on the sample material .The spectrum obtained shall indicate the same composition as that recorded in the spectrum obtained in the original investigation of the material.T line-emission spectrum的中文翻译是什么?还有continuous spectrum spectrum 是什么牌子的手表啊. Infrared Block 信号处理中spectrogram和spectrum的区别是什么?我知道spectrum是频谱图,那spectrogram是什么呢? spectrum inventory broad spectrum SPECTRUM怎么样 spectrum链接 infrared remote control是什么意思 infrared remote controller是什么意思 infrared radiation是什么意思 infrared radiation是什么意思