What is the meaning of X_unit?
A unit of length (symbol xu) approximately equal to 0.1 picometres, used to quote the wavelength of X-rays and gamma rays.
Source: wiktionary.orgSearch words containing
A unit of length (symbol xu) approximately equal to 0.1 picometres, used to quote the wavelength of X-rays and gamma rays.
Source: wiktionary.orgSearch words containing