laser optoacoustic method
激光光声法

• stratoscope
• stratosphere
• stratospheric aerosol
• stratospheric gas
• stratospheric halogen compound
• stratum
• stratus
• stray capacitance
• stray light
• stray magnetic field
• stray radiance
• stray radiant energy
• strays
• stray signal
• stray wave
• streak
• streak camera
• stream
• streamer
• streaming birefringence
• streamline
• streamlined
• strength
• strength of illumination
• stress