锇膜传感器：osmium-based sensor
额尔古纳河：Erguna River
二分类数据：two-category data
二信号传导：Two-component system
二面角之和：sum of dihedral angel
二项式光场：binomial light field
二次风配风：secondary air distribution mode
二阶函数法：second-order function method
二次加载法：second load method
额定泄放量：rated relieving capacity
二通调节阀：Regulating valve
二分检索法：equinoctial searching method
二金属团簇：bimetallic clusters
二次水循环：Secondary water circulation
二次收敛性：Quadratic convergence
二元混压式：two-dimensional mixed-compression
二维连续体：two-dimensional continuum
二值形态学：binary morphology
二次压缩机：secondary compressor
二维能量窗：2D energy-window
二度板状体：2D sheet
二维定常流：two-dimensional steady state flow
厄米特矩阵：Hermitian matrix
二次发生器：Second generator
二维象限图：figure of two-dimensional quadrant of data grade
二流体喷嘴：Two-fluid nozzle
腭式破碎机：jaw crusher
二线制测量：two-line measurement
二维介质柱：Two-dimensional dielectric cylinder
二阶相干峰：Secondary coherence peak
二次电流矩：quadratic current moment
二步综合法：two-stage synthetic method
二次流原理：Secondary Flow Theory
额定静载荷：Rated Dead Load
二阶自适应：second order self-adaptive
二次空气阀：Secondary air cut valve
二维指向镜：scan mirror
二向性反射：bidirectional reflectance
二极管栅格：diode grid
二维阈值化：JND
二维装配图：2-D assembly drawing
二次逼近法：quadratic approach method
二环减速器：Two ring type gear reductor
二次型变换：quadratic transformation
儿童安全盖：CRC(child resistance cap)
二次幻曲面：magic surface of second degree
二硝酰胺铵：ammonium dinitramide
二坐标控制：2-D control
二流量测压：Two flow rates pressure measuring
二次响应面：square response surface