laser interplanetar communication
行星际激光通信

• D munt
• dobule-discharge technique
• documentary film
• documentary photography
• document scanner
• dodechedron
• dodging dog
• dog clutch
• dolly
• dolly on
• dolly out
• dolomite glass
• domain
• domain of definiton
• domain of dependence
• dome
• dome director
• dome nut
• dome reflector
• dome slot
• dominant wave
• dominant wvelenght
• domination
• Donaldson colorimeter
• donor