pellet
(1)小球
(2)片状器件
(3)靶丸(激光或电子束的)

• turn-off
• turn-on
• turn ratio
• turntable
• turpentine
• turquois[e]
• turret
• turret-condenser
• turret finder
• turret-front camera
• turret gun sight
• turret-gun sighting telescope
• turret periscope
• TV camera
• TV cameras
• TV-camera tube
• TV microscope
• tweeter
• tweezers
• twilight
• twilight band
• data processing equipment
• data processing system
• data processor
• data rate