二卤代苯甲腈：Dihalobenzonitrile
二叠氨化合物：Diazides
二次曲线拟合：conics fitting
二元三角插值：bivariate trigonometric interpolation
二级除尘系统：secondary dust collecting system
二次阈值滤波：quadratic threshold filter
二元结构地层：binary structural stratum
二阶抛物方程：second order parabolic equation
二次回路压降：secondary circuit voltage drop
二次分岔屈曲：secondary bifurcation buckling
二酰氧基甲烷：diacyloxymathane
二江下槽开挖：digging the upper bottom of the Second River
二次谐波检测：second-harmonic detection
二级蒸发冷却：two-stage evaporative cooling
二维转动装置：two DOF turn table
二阶滤波电路：second-order filter circuit
二次小电流法：the small secondary current method
二硫化铁薄膜：pyrite thin film
二次防御能力：alternative defensive ability
二维激光测速：Laser Doppler anemometer
二系数设计法：dual-factor design method
二次永久衬砌：secondary permanent lining
二阶超前滞后：twin lead/lag
二值边缘模板：binary edge model
二次质心干扰：the 2nd centroid jamming
儿童活动中心：children's activity centre
二次高压灌浆：secondary high pressure grouting
二元混合工质：Binary mixtures
二级指标评判：two grade index evaluation
二维等效电路：equivalent circuit
二次转角射击：attacking with two-time rotating angle
二阶插值滤波：DD2
额定输入功率：Rated power Input
二维能量方程：two-dimensional energy equation
二维空心转子：two-dimensional hollowed-cylinder
二维正态分布：two-dimension normal distribution
二层刚架结构：two-layer rigid frame
二维相关系数：2-D correlation coefficient
二次冲击现象：re-inrush phenomena
二次谐波电压：the second harmonic voltage
二维网格结构：lattice structure
二维冷态试验：two-dimensional cold model experiment
二维激光扫描：planar laser scanning
二次调节技术：Secondary regulation technology
二氧杂环己烷：dioxane
二氧化硅-硅：SiO_2-Si
二苄基二硒醚：dibenzyl diselenides
二甲醚-柴油：DME-diesel
二进制大对象：BLOB
二次泛函极值：extreme value to quadratic function