二维解释：2-D interpretation
二维格局：two-dimensional pattern
二阶矩阵：matrix of 2 order
二孤子解：two-soliton solutions
二次变量：secondary variable
二型发光：type-Ⅱ luminescence
俄文输入：Russian input
二阶衍射：Second order diffraction
二峪河组：Eryuhe Formation
二相渗流：two phase flow
二氟乙烯：Difluoroethylene
二态模型：two-state model
二步相移：Two-step phase-shifting
二阶敏度：second-order sensitivity
二次极值：double extreme
二次映射：quadratic family
二次生气：secondary hydrocarbon generating
鄂北区块：Ebei Block
二次提升：Hydraulic system
二维流型：two-dimensional manifold
二阶振荡：second-order oscillation
二阶敛速：2th orde r
耳石形态：Otolith Morphology
二进制群：Binary group
二元本性：duality
二维准晶：two dimensional quasicrystals
二力杆系：System of two_force Rods
二型理想：Two-Type Ideal
鲕滩储层：oolitic beach reservoir
二次进货：two time ordering
二次销售：two time selling
二点迭代：two-step method
二价原子：Zeeman effect
二维曲面：2-dimemsional surface
恩和哈达：Engh Had
二级曲线：conics
二元二次：dyadic and square
耳朵分解：ear decomposition
峨眉春蕙：C. omeiense
二次付费：double-spending
二次激发：secondary excitation
二胡结构：structure of erhu
二维模式：two-dimensional model
二萜糖苷：Diterpene glucoside
二次流场：quadratic equation eddying field
二次勘探：the second time exploration
鲕粒滩坝：oolitic beach
二流模型：two-liquid model
二次线束：bundle of conics
二维三温：two-dimensional three-temperature