黑体辐射

black body radiation (in thermodynamics)

abbr. for Heilongjiang province 黑龍江|黑龙江[Hei1 long2 jiang1]

black / dark / sinister / secret / shady / illegal / to hide (sth) away / to vilify / (loanword) to hack (computing)

old variant of 射[she4]

to shoot / to launch / to allude to / radio- (chemistry)

body / form / style / system / substance / to experience / aspect (linguistics)

radiation

bold (typeface)

spoke of a wheel