| 释义 |
directional emissivity定向发射率directional emissivity ( of thermal radiator, in a given direction)方向放射率(熱放射體的)電機工程directional emissivity定向發射率地球科學名詞—大氣directional emissivity定向發射率氣象學名詞directional emissivity定向發射率計量學名詞directional emissivity ( of thermal radiator, in a given direction)方向放射率(熱放射體的)電力工程 |