已知数

1.knownquantity  2.givenvalue  3.prescribedvalue  4.givennumber  5.aknownquantity  6.knownnumber  7.knownquantity  

已的英语翻译：

afterwards; already; end; stop; too

知的英语翻译：

be aware of; be in charge of; inform; know; notify; realize

数的英语翻译：

a few; count; enumerate; fate; frequently; list; number; numeral; numeric
reckon; repeatedly; serveral
【计】 crossing number; N
【医】 number
【经】 number