| 释义 |
known quantity in American English an algebraic quantity whose value is given usually represented by an early letter of the alphabet, as a, b, or c known quantity in American Englishnoun1. Math a quantity whose value is given: in algebra, frequently represented by a letter from the first part of the alphabet, as a, b or c 2. any factor, circumstance, etc., that is already accepted or familiar Her honesty is a known quantity Word origin [1975–80 ]This word is first recorded in the period 1975–80. Other words that entered Englishat around the same time include: family therapy, gravitational lens, methanogen, surrogate mother, videotexExamples of 'known quantity' in a sentenceknown quantity |