linear injectino laser diode
线性注入激光二极管

• down-coming wave
• down-conversion
• down-converter
• down shot
• draft
• draft equipment
• drafter
• drafting
• drafting board
• drafting scale
• drag
• drag coefficient
• drag detector
• drain
• drain current
• drawbar
• drawer shutter
• drawing
• drawing apparatus
• drawing machine
• drawplate
• draw power
• dresser
• dressing
• drier