差商

central derivative

中心导数,中心微商

中央控制室 central control room | 中心导数,中心微商 central derivative | 中心差分插值法 central difference interpolation

courtesy call

礼节电话;通讯商打来的无聊电话

McMansion 庞大但品位极差的房子 | Courtesy call 礼节电话;通讯商打来的无聊电话 | m-commerce (通过)手机(进行的)交易WAP无线应用协议

sum, difference, product, quotient

和,差,积,商

add, minus, times, divide加,减乘,除 | sum, difference, product, quotient和,差,积,商 | multiple addition of 多重和

difference quotient

差分商

difference of level 落差 | difference quotient 差分商 | difference schema method 差分格式法

difference schema method

差分格式法

difference quotient 差分商 | difference schema method 差分格式法 | differential a roximation 微分逼近

differential quotient

导数,微商

differential pulse code modulation 微分脉冲编码调制 | differential quotient 导数,微商 | differential refraction 差示折射

differential quotient

微分商

differential pulley 差動滑車 | differential quotient 微分商 | differential recovery rate 微分回復速度

finite difference model

有限差分模式

差分法 finite-difference method | 有限差分模式 finite-difference model | 有限差分商 finite-difference quotient

reciprocal difference

反商差分

reciprocal correspondence 反对应 | reciprocal difference 反商差分 | reciprocal equation 互反方程

Middlemen

經紀商, 中間商

Meat Packer 屠宰加工廠 | Middlemen 經紀商, 中間商 | Monthly Difference 月份的差異

uniovular twin：真孪生

uncompetitative inhibition 非竞争性抑制 | uniovular twin 真孪生 | unit membrane 单位膜

play off one against the other：挑拨离间, 从中得利

play off (难分胜负的)延长赛 使出丑 嘲弄 以...冒充 假装有病 | play off one against the other 挑拨离间, 从中得利 | play off one against another 挑拨离间, 从中得利