lightwave/ transimission system and multiplexer equipment
(SONET-based)同步光
Lightwave/Transimission System and Multiplexer Equipment
(SONET-Based)同步光纤网路光波传输系统及多工机设备

• unaided eye
• unannealed
• unbacked film
• unbalance
• unbalanced sight
• unbiased
• unblanking
• unblemished surface
• unblocking
• unbound electron
• uncertainty
• uncertainty condition
• uncertainty principle
• uncertainty relation
• uncharged particle
• unchecked
• unchirped
• unchopped radiometer
• unclad fibre
• uncoated
• uncoated laser
• uncoated lens
• uncoaxiality
• uncollimated
• unconditional probability