二度翻译：double translation
二维视图：2D view
二喷四搅：two jetting & four-mixing
二级节流：two-step throttle
二次清孔：secondary pile hole cleaning
二灰稳定：two ash stability
二进制树：binary tree
二力构件：two-force structural part
二体问题：Problem of two bodies
二级电压：secondary voltage
二级学习：two level learning
二相电缆：two-phase cable
额定负载：Rated load
二次铺装：second deck pavement
二次退火：Secondary annealing
二元城市：Dual city
二线船闸：second-line shiplock
二次判断：Quadratic-estimation
二维装置：two dimensional assembly
二维扩频：two-dimensional spread spectrum
二氰酸酯：dicyanate
二次博奕：quadratic game
恶意功能：vicious function
二阶长波：second order long waves
二次误差：quadric error
二次配电：second distribution
二点格式：three-point stencil
二相短路：Two phases short-circuit
二期冷却：the artificial cooling of the second stage
二元运算：binary operation
二元调宽：width modulated binary
二层甲板：tween deck
二阶共混：two step blending
二次通风：valve twice draught
二次火灾：Second fire
二距离集：two-distance sets
二碘化镱：ytterbium diiodide
二八灰土：2:8 lime soil
二次排布：two-time arrangment
二进连续：dyadic continuous
二进导数：dyadic derivative
二十世纪：20th Century
二次电路：secondary circuit
二次创新：secondary innovation
二级热网：secondary heat networks
二部容量：biparticity
额定频率：rated frequency
二次放行：redispatch
二次烧成：Twice Firing
二板市场：second board market