self-reversal
(1)自蚀(光谱)
(2)自可逆，自反转

• Dawson's integral
• day airglow
• daylight
• daylight chromaticity
• daylight factor
• day-light filling
• daylight illuminaton
• daylight lamp
• day-light ratio
• daylight tyep colour film
• dayligth effect
• day/night sight
• day range
• dayteim transparency
• daytime radiance
• daytime sensitivity
• daytim resolution
• dazzle
• db-loss
• dBm
• DC are source
• DC-excited
• DC-excited Ar-ion laser
• DC magnetization technique
• DC-pumped