2. Từ điển
3. Từ vựng theo chủ đề
4. Điện tử - Viễn thông

• open loop
• open reel
• open region
• open resonator
• open terrain
• operating account
• operating console
• operating position
• operation box
• operation building
• operation console
• operation decoder
• operation mode
• operation priority
• operation procedure
• operational character
• operational circuit
• operational constraint
• operational data
• operational lifetime
• operational program
• operations center
• operations room
• operator
• operator position
• operator system
• opposite polarization
• optical aberration
• optical absorption
• optical antenna
• optical attenuator
• optical bistability
• optical carrier
• optical cavity
• optical characteristic
• optical coherence
• optical communications
• optical computer
• optical connection
• optical connector
• optical correlator
• optical coupling
• optical detection
• optical disc
• optical dispersion
• optical duplexer
• optical exchange
• optical flare
• optical frequency
• optical gain
• optical image
• optical interference
• optical isomer
• optical lithography
• optical maser
• optical mask
• optical master
• optical modulation
• optical multiplex
• optical multiplexing
• optical oscillation
• optical pattern
• optical polarization
• optical projection
• optical pulse
• optical reader
• optical receiver
• optical refraction
• optical resist
• optical resonance
• optical scanner
• optical scanning
• optical sensing
• optical signal
• optical sound
• optical stepper
• optical storage
• optical switching
• optical system
• optical track
• objective impairment
• oblate spheroid
• oblique probe
• observation location
• observation satellite
• observation telephone
• observed data
• ocean cable
• oceanographic data
• octagon antenna
• offered call
• office network
• office typewriter
• offset angle
• offset configuration
• offset printing
• offset reflector
• omission
• omnidirectional antenna
• omnidirectional radiorange

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