built-in calibrator
机内校准器，机内检定器

• intergating gyroscope
• inter-image effect
• interior focusing
• interior screw
• interior sub-multiple angles
• interiror focusing telescope
• interlaced scanning
• interlayer
• interlayer effect
• interleave scanning
• interlock
• interlocking device
• intermediary image
• intermediate axle
• Intermediate fequency
• intermediate frequency
• Intermediate frequency transformer
• intermediate gear
• Intermediate herschek effect
• intermediate image
• intermediate-index layer
• intermediate infrared region
• intermediate level
• intermediate wae
• intermeshed scannning