the second second mean value theorem of integration 积分第二中值定理
tap-tap 敲门声
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
tap to tap time 冶炼时间; 冶炼周期
tap to tap time of converter 转炉冶炼周期
Tap-to-Tap 冶炼周期
tap-to-tap cycle 冶炼周期
Tap-to-Tap Time 冶炼周期
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