Second Ship Lock in Jianbi  谏壁二线船闸

Second-line Shiplock  二线船闸

the second second mean value theorem of integration  积分第二中值定理

Part Second Order and Second Moment Method  部分二次二阶矩法

second by second operational analysis  瞬间操作分析

Second order second-moment method  二次二阶矩法

The Second Generation franchise management  X射线衍射

30-second  大西洋自由贸易区

3he Jinping Second Class Hydropower Station  锦屏二级水电站

8-second  监督如认为─

8-second phenomenon  8秒现象; 主管当局可─

a coupled systems of second order differential equation  二阶常微分方程组

a mandibular second molar  下颌第二恒磨牙; 贝士定则; 贝士定理

a second birth  水通道蛋白; 再生

a second derivative surface model with pure lag  带纯滞后的二阶惯性环节

a Second modification  再改造

a second order perturbation solution  二阶摄动方法

a second-order fluid  二次流体

a second-shaped body  一形二体

Abbe principle of second image formation  阿贝二次成像原理