visual standard irradiance
可见标准辐照度

• Gauss-invariant co-ordinates
• gaussmeter
• Gauss optics
• Gauss plane
• Gauss point
• gauss points
• Gauss theorem
• Gauss transform
• gauze filter
• gauze technique
• Gaviola test
• Ge
• gear
• gear bank
• gear box
• gear coupling
• gear drive
• gearing
• gear lead checking machine
• gear lever
• gear mesh
• gear rack
• gear sector
• gear shift
• gear sprial