light value 1
光阀 light value 2
(LV)曝光值

• weighted arithmetic mean
• weighted average
• weighted code
• weighted error
• weighted mean
• weight function
• weighting factor
• weighting filter
• weighting function
• weight of measurement
• weights and measures
• weir ga[u]ge
• Weiss domain
• Weissenberg camera
• Weissenberg method
• Weissenberg photograph
• weld
• weldability
• welder
• welding goggles
• welding wire
• well
• well-collimated beam
• well-focused beam
• welt