二道沟水电站：Erdaogou hydropower station
二等水准测量：second grade leveling
二次谐波含量：secondary harmonic component
二次结构系统：primary-secondary systems
二维骨料分布：two-dimensional aggregate distribution
二维设计软件：2D design software
二维速度防护：D speed protection
二次负荷阻抗：secondary load impedance
二恶英的分解：decomposition of dioxin
二进制特征量：binary features
二次逼近模型：secondary approximation model
恶意DBMS：malicious DBMS
二向反射模型：bi-directional reflectance model
二灰级配集料：Lime-fly ash bound aggregate with specific grading
二维电子气体：two dimentional electron gas
二维纹理识别：2D texture recognition
二元指数分布：bivariate exponential distribution
额定功率参数：rated power parameter
二次复合地基：twice composite subgrade
二维概率模型：2D probability model
二次吸合电压：second-time close voltage
二阶效应分析：second order analysis
二元智能结构：hybrid smart structure
二元有理插值：bivariate rational interpolants
二段换热机组：two stage heat exchange unit
二回路水化学：Secondary side water chemistry
二次无机粘接：subsequent glaze-jointing
二维地震分析：2-dimensional analysis
二氧化碳浓度：carbon dioxide density
二进制分压器：Binary system voltage divider
二维三角剖分：2D triangulation
二维指派问题：assignment problem
二维图形转换：Planar Drawing conversion
二阶收敛速率：quadratic rate of convergence
二机联合单元：2 generator-transformer unit combination connection
二灰电炉钢渣：lime flyash steel slag from electric furnace
二茂铁甲酰基：ferrocenylformyl
二元动力机制：Dual-impetus system
二维频域分析：Two-demension frenquency space analysis
二自由度运动：two DOF motion
二维重叠滤波：two dimensional superimposure filter
二热源制冷机：two heat source refrigerator
二次可靠指标：second order reliability index
二波导耦合器：two_guide coupler
二阶连续连接：continuity of order 2
二次水化反应：secondary reaction of hydration
二部半正则图：bipartite semiregular graph
二阶平衡B树：two-order balance B tree
二元随机变量：binary random variable
二滩电厂滑坡：Ertan Powerplant landslide