二次型稳定性：quadratic stability
二向性反射比：bi-direction
二行程发动机：two stroke engine
二次可积系统：a quadratic integrable system
二次最高电压：secondary highest voltage
二氧化铅沉积：lead dioxide deposition
二维瞬变传热：two-dimensional transient heat transfer
二维参数平面：twodimensional parametric plane
腭裂/外科学：Cleft palate/surg
二元结构边坡：double-decked slope
儿童游戏空间：children's play spaces
儿童年龄结构：structure of children's age
二次换算计算：Second conversion calculation
二次换算系数：Second conversion coefficient
二级优化算法：two-level algorithm
二次能源生产：secondary energy production
二氧化硅凹模："凹"shape SiO 2 molding
俄罗斯新建筑：New Russian architecture
二维水沙数模：2-D flow and sediment mathematical model
二次位移假定：second displacement assumption
二阶布尔差分：second degree Boolean difference
二阶振动方程：2nd order vibration equation
二次指派问题：quadratic assignment problem
二阶迎风差分：second-order upwind difference
二步法拍摄法：two steps making method
二阶效应系数：secondorder effect coefficient
二阶假想面法：second order imaginary plane method
二维稀疏结构：2 order sparse structure
二次迭代量化：two level quantified
二次单调插值：quadratic monotone interpolation
儿童会话能力：child conversational skills
二氧杂环乙烷：Dioxance
二类住宅方案：The plan of second class apartments
二阶海面回波：second order sea echo
二维双向链表：two dimensional doubly linked lists
二维粒子模拟：two-dimensional particle simulation
二阶中心差分：two-order center scheme
二点调整方法：two-point adjusting method
二维加糙明渠：two dimensional strip roughness flume
二元衍射光栅：Binary grating diffraction
二喹喔啉硫醚：Diquinoxalinylsulfur ether
二维流场计算：turbine cascade
二维光学薄膜：Sol gel method for film preparation
二维血流显示：B Flow
二级近似概念：two level approximation concepts
二维毁伤概率：two-dimensional kill probability
二进制计数器：binary counters
二次优化系统：twile-optimized system
二次在线辨识：twin-layer online identification
二维工程图纸：2D Plane Drawing