英语词汇“photometric standard”的翻译、意思、用法、释义-英汉汉英双解词典

单词	photometric standard
释义	photometric standard 光度标准器,测光用标准光源
随便看	sector display sector display indicator sector-display indicator sector displayoff-center ppi sector disposition sector distance sector distortion sector division sector doctor sector drills sector economics sector electronical scanning equipment sector element sector entries sector entry Sect.Oreocalamus Sect.Oreoselinum sector equation sector estimate sector executive sector extinction sectored sectored antenna sectored colony sectored file