ell: επίπεδο (βαθμός) αποδοτικότητας (αποτελεσματικότητας)

Information
has URI	http://lexvo.org/id/term/ell/%CE%B5%CF%80%CE%AF%CF%80%CE%B5%CE%B4%CE%BF%20(%CE%B2%CE%B1%CE%B8%CE%BC%CF%8C%CF%82)%20%CE%B1%CF%80%CE%BF%CE%B4%CE%BF%CF%84%CE%B9%CE%BA%CF%8C%CF%84%CE%B7%CF%84%CE%B1%CF%82%20(%CE%B1%CF%80%CE%BF%CF%84%CE%B5%CE%BB%CE%B5%CF%83%CE%BC%CE%B1%CF%84%CE%B9%CE%BA%CF%8C%CF%84%CE%B7%CF%84%CE%B1%CF%82)

Meaning
means	(noun) the ratio of the output to the input of any system efficiency