dual-wavelength Double Wavelength Spectrophotometry

Convection and non-convection pre-cipitations

free convection natural convection

natural convection free convection

natural convection， free convection

1338 nm single wavelength

2 μm wavelength

2-D time wavelength code

2-dimensional wavelength-time code

2μm wavelength

880 nm wavelength laser

8-Wavelength

a quarter-wavelength

A(N)=0 dual-wavelength compensation coef

Absorbable wavelength

absorbing wavelength

Absorption Wavelength

accuracy of the wavelength

Achromatic at multi wavelength