zero stress-optical constant
零应力光学常数

• spar
• spare parts
• spark
• spark light source
• spark plug
• spark spectrum
• spar-over
• Sparrow's criterion
• spatial acuity
• spatial angle
• spatial brightness
• spatial carrier
• spatial character
• spatial coherence
• spatial coherence function
• spatial degeneracy effect
• spatial distribution
• spatial domain
• spatial emission
• spatial filter
• spatial filtering
• spatial frequency
• spatial frequency discrimination
• spatial frequency domain
• spatial frequency multiplexing