释义 |
系数xìshù 1.与未知数相乘的数字或文字,如2ɑx2中,2ɑ是x2的系数。{coefficient; number or symbol multiplying an unknown quantity in an algebraic term, as 2a being the coefficient of x2 in 2ax2} 2.科学技术上用来表示某种性质的程度或比率的数,如膨胀系数、安全系数等。{coefficient; numerical measure or rate of a certain property in science and technology, such as the coefficient of expansion and the coefficient of safety} |