查询词典 difference frequency

backward difference operator：反向差分运算子

反向差分法 backward difference method | 反向差分运算子 backward difference operator | 反向微分法 backward differentiation method

backward difference operator：向后差分算子

向后差分 backward difference | 向后差分算子 backward difference operator | 向后消去程序 backward elimination procedure

backward difference quotient：后向差商

backward difference operator 后向差分算子 | backward difference quotient 后向差商 | backward solution 后向解法

backward difference：后向差分

backward difference operator 后向差分算子 | backward difference 后向差分 | backward flow 回流

backward difference approximation：后向差分近似法

backward crossover 反相交 | backward difference approximation 后向差分近似法 | backward difference implicit 后向差分隐式法

central difference operator：中央差分运算子

中央差分记法 central difference notation | 中央差分运算子 central difference operator | 中央数字计算机 central digital computer

central difference：中心差分

central derivative 中心导数 | central difference 中心差分 | central difference operator 中心差分算子

central difference interpolation：中心差分插值法

central dehydration complex 集中脱水装置 | central difference interpolation 中心差分插值法 | central difference notation 中心差分记法

central divided difference：中心均差

central difference operator 中心差分算子 | central divided difference 中心均差 | central element 中心元

Common Difference：公差

工艺过程自动化 Technics Process Automation | 公差 Common Difference | 公差技术测量 Technical Measurement with Common Difference

phenol red：酚红,苯酚磺酞

phenol reagent 酚试剂 | phenol red 酚红,苯酚磺酞 | phenol red test 酚红排泌试验

accessory equipment：附件

accessory equipment 辅助设备 | accessory equipment 附件 | accessory part 附件