方程: [数学] equation 短语和例子三次方程 cubic equation; 高次方程 equation of higher degree; 线性方程 linear equation; 把方程式简化成 ... reduce the equation to ...; 物态方程 equation of state; 化学方程 chemical equation
符: Ⅰ名词1.(符节) tally (with two halves, made of wood, bamboo, jade, metal, issued by a ruler to generals, envoys, etc., as credentials in ancient china)2.(标记; 记号) symbol; mark 短语和例子音符 musical no
