pyroelectric bolometer
热电测辐射热器

• step sttenuator
• step-type
• step wedge
• stepwise laser excitation
• sterad
• steradian
• stere
• stereo
• stereoacuity
• stereoautograph
• stereo base
• stereo camera
• stereochemical
• stereochemistry
• stereocomparagraph
• stereocomparator
• stereo display
• stereoeffect
• stereogoniometer
• stereogram
• stereograph
• stereographic projection
• stereography
• stereo-image
• stereoisomer