![wavelengths造句怎么写]( "wavelengths造句怎么写")
- Youhavenegativewavelengths.Smallonesemitshorterwavelengths(blue).Ininfraredlight,shorterwavelengthslookblue,andlongerwavelengthsappearred.Largeonesemitlongwavelengths(redlight).Smallonesemitshorterwavelengths(blue).Theproperworkingwavelengthsshouldbe...
- 4323
中文谷