undercolour removal
(UCR)底色去除

• appearance
• appendage
• apple-green
• appliance
• application
• applied mathematics
• applied optics
• applied voltage
• applique
• appraisal
• approach
• approximability
• approximate calculation
• approximate expression
• approximate formula
• approximate valuation
• approximate value
• approximation
• appurtenance
• apricot
• apron
• aprotic liquid laser
• aquadag
• Aquadg Layer
• aquamarine