diffuse-reflecting power
(1)漫反射本领
(2)漫反射率

• setting time
• set-up
• sewage
• sexadesimal system
• sextant
• sextet
• Seya concave-gratin monochromator
• shackle
• shade
• shaded area
• shading
• shadow
• shadow angle
• shadow area
• shadow band
• shadow-casting
• shadow cone
• shadoweffect
• shadowgraph
• shadow image
• shadowing method
• shadow mask
• shadow-mask screen
• shadow microscope
• shadow-Moire test