查询词典 method of difference

ordinary difference equation：常差分方程

ordinary difference differential equation 常差分微分方程 | ordinary difference equation 常差分方程 | ordinary differential equation 常微分方程

finite difference equation：有限差分方程

finite difference approximation 有限差分逼近 | finite difference equation 有限差分方程 | finite dimensional 有限维的

difference operator：差分運作

Difference equation 差分方程式 | Difference operator 差分运作 | Differencing 差分

difference product：差一积

差分表 difference table | 差一积 difference-product | 差分化 differencing

partial difference quotient：偏差商

偏差分方程 partial difference equation | 偏差商 partial difference quotient | 偏微分 partial differential

forward difference quotient：前向差商

forward difference operator 前向差分算子 | forward difference quotient 前向差商 | forward solution 前向解法

difference table：差分表

difference set 差集 | difference table 差分表 | different 共轭差积

difference of water table：水位差

difference of frequency 频差 | difference of water table 水位差 | different post 不同岗位

phase difference：相位差,相差

phase array sector scanner 相阵扇形扫描仪 | phase difference 相位差,相差 | phase difference microscope 相位差显微镜

potential difference：势差

2.很多同学并不明白电势差(potential difference)和电势(potential)的分别,更误以为两者其实是相同的,其实是大错特错!其实研究电势差(potential difference)和电势(potential)就可以明白电路(circuit)的运作,对找出题目的答案,非常有帮助,

at sb.'s disposal; in sb's disposal：任某人处理

at rest 宁静的,安静的,过世了的 | at sb.'s disposal; in sb's disposal 任某人处理 | at sb's service 听某人吩咐

Unionism：工会主义;工联主义

Unionist:工会主义者 | Unionism: 工会主义;工联主义 | Unitive:团结的,倾向于团结的