二元: binary; dual; dualistic钻: drill; auger速: fast; rapid; quick; speedy方程: equation钻速方程: equation for drilling rate风速方程: wind velocity equation极速方程式: capeta跨音速方程: transonic equation破片减速方程: fragment slowdown equation二元方程: equation in two unknowns二元方程式: binary equation二元一次方程；二元线性方程: linear equation in two unknowns钻速: penetrate/drilling rate; rate of drilling二元二次方程: quadric equation in two variables二元线性方程: linear equation in two unknowns二元一次方程: linear equation in two unknowns二元一次方程式: first degree in two variable equation二元逻辑代数方程式: logical algebraic equatin with two unknowns; logicalalgebraicequatinwithtwounknowns等光速方向: direction of equal ray velocity调速方式: mode of speed regulation加速方法: acceleration method加速方式: accelerated mode加速方向: acceleration direction快速方式: immediate mode最优钻速；最佳钻速: optimum drilling rate
