indicatrix
(1)指示量
(2)指标
(3)折射率椭球
(4)特性曲线

• taper gauge
• tapering cavity
• taper pin
• taper roller
• taper roller bearing
• taper washer
• taper work
• tap for trapezoidal thread
• tapped
• tapped blind hole
• tapped bore
• tapped hole
• tapper
• tappet
• tap transformer
• target
• target coordinator
• target-designator
• target detection
• target illuminator
• target properties
• target recognition
• target voltage
• tartrate
• Taylor expansion