/perr"seuhn year'/ , n.
a unit of measurement, esp. in accountancy, based on an ideal amount of work done by one person in a year consisting of a standard number of person-days.
/perr"seuhn year'/ , n.
a unit of measurement, esp. in accountancy, based on an ideal amount of work done by one person in a year consisting of a standard number of person-days.
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012