circulator
(1)循环泵
(2)循环器，环形器
(3)循环小数

• joggle
• Johannes stark
• Johansson geometry
• Johnson noise voltage
• Johnson-Nygquist nosie
• Johnso noise
• Johnson's curve
• joint
• Jointedfiber
• joint rand m variables
• Jolly's photometer
• Jones vector
• Jonson and lark-horowitz formula
• Josephosn contact
• Josephosn effect
• Josephson detector
• Josephson effect detector
• Josephson element
• traction
• traffic lights
• trail
• trailer
• trailing
• trailing edge
• train