一阶差分法的英文

一 one
阶 steps; stairs
差分 difference
法 law
一阶差分 first difference; first order difference
一阶差分方程 first order difference equation; first-order difference equation
一阶差分数列 first difference series
一阶差分算子 first difference operator
阶差分 difference of n-th order
一阶差别图 first order difference picture
差分法 calculus of differences; calculus of finite differences; diference method; finite difference method; finite-difference approach; finite-difference method; method of difference; method of finite differences
二阶差分 second difference; second order difference
高阶差分 higher differences
三阶差分 third difference; third order difference
二阶差分变换 second-order difference transformation
变量差分法 variable difference method; variable-difference method; variate-difference method
布尔差分法 boolean difference method
差分法定位 differentiation positioning
垂直差分法 vertical differencing scheme
后退差分法 backward difference approximation
后向差分法 backward difference method; backward differentiation method; backward differentition method
欧拉差分法 eulerian difference method
前向差分法 forward difference method; forward-difference method
时间差分法 time differencing method
向前差分法 forward difference method

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Several key technology is particular expatiated in the paper such as eliminating the queer data by one rank difference method , the arithmetic of drawing a roundness with lattice liquid crystal , designing the iir digital filter , auto changing measure scale and software dependability design technique
本文详细阐述了几个关键技术：一阶差分法剔除奇异项，点阵液晶的作圆算法、 iir数字滤波器的设计、自动量程转换和系统的软件可靠性设计等。