postive intensified iamge
增强正像

• flexible cord
• Flexible diagnostic Fresnel lens
• flexible drive
• flexible fiber-optic gastroscope
• flexible imagescope
• flexible joint
• flexible lamp cord
• flexible-lens gastroscope
• flexible membrane
• flexible metallic conduct
• flexible mirror
• flexible pipe
• flexible rule
• flexible shaft
• flexible tube
• flexible waveguide
• flexion
• flexural distortion
• flexural wave
• flexure
• flgorgen
• flicker
• flicker-beam
• flicker effect
• flicker fusion