偶数: even number; even阶: steps; stairs偶数级,偶数阶: even-odd rulet偶数: t-even偶数: [数学] even number; even◇偶数页 [印刷] even page分数阶: fraction order指数阶: exponential order读数阶段: fetch stage非整数阶: non integral order指数阶数: exponential series偶数对, 偶数-偶数的, 偶-偶的: even-even对偶数: dual numbers; dualzahl dual number偶数比: even ratio偶数步: even number step偶数层: even level偶数场: even field偶数的: even numbered; gerade even偶数灯: even number of lamps; lamps constituting a pair偶数对: even-even偶数环: even loop偶数集: the set of all even numbers偶数级: even level偶数幂: even power偶数面: even surface偶数行: even number line◇偶数行穿孔 normal-stage punch