electron mirror microscope
电子反射显微镜

• blackbody radiation law
• blackbody radiation source
• blackbody radiation spectrum
• blackbody radiator
• blackbody radiometer
• blackbody spectral radiance distribution
• blackbody temperature
• black box
• blackened gold foil
• blackened receiver
• blackening
• blackening bath
• black hole
• blacking
• blacklead
• black level
• black light
• black locus
• blackness of radiation detector
• blackness of spectral line
• blackout
• black spot
• black surface enclosure
• blade
• blade-edge projector