wide-angle coordinator
广角坐标方位仪

• irrgular refraction
• irrgular spiking
• irrotational
• irrotational vector
• IR scanning camera
• IR seeker
• IR senor
• Irtran-I
• IR-transmission glass
• IR window
• ischromtic stimuli
• iscolinic
• isentropic
• isis wave-beam device
• islometer
• isobar
• isobric line
• Isocandela diagram
• isocandla diagram
• Isochromatic
• isochromatic
• isochromatic line
• Isochromatic lines
• isochromatics
• isochromatics-isopachices patern