二七路景观：Erqi road
二进时间窗：binary scale time windows
二维盲水印：2-dimension blind watermark
额定工作点：Rated Operation Point
二次电子像：SEI
二次扫描法：double scan method
二维码技术：planar bar code technology
二终端网络：terminal-pair network
二叉判决图：binary decision diagram
俄罗斯地铁：Russia metro
二重半稳环：2-multiple semi-stable limit cycle
鹅公岩大桥：Egongyan bridge
二阶二次矩：second ordersecond moment
二轴流速仪：two axis current meter
二倍半丝法：doubled half-thread
二叉决策树：binary decision tree
二次型改进：Quadratic Function Improving
二级曝气池：Rank 2 aeration pool
二元整函数：binary in analytic function
二维LDV：two-component LDV
二次加压法：Secondary circuit voltage on load
二端口校正：two port calibration
二叉树定价：binomial tree pricing
二重化电路：duplicate circuit
二次地应力：secondary earth stress
二元冰系统：ice slurry system
二级泵应用：Secondary pump system application
二维条形码：two-dimension barcode
俄罗斯规范：Russian code
二瓦特算法：Algorithm of Two-WATT
二次莫来石：secondary mullite
恶臭源产生：generation of foul smell source
耳感舒适度：ear feeling comfortability
二维数据云：Two dimensional datacloud
二次表面镜：Second surface mirror
二次冷水泵：secondary chilled water pump
二次水污染：secondarily polluted water
二次轴向流：second axial flow
二次添加剂：additives
二阶收敛性：quadratic convergence
二级泵系统：Primary pump system
二元变量法：binary variables
二进制运算：binary operation
尔王庄枢纽：Erwangzhuang Hydro System
二叉判定图：BDD
二点多段法：two-point multi-section method
二项式定理：binomial theorem
二次级声源：secondary source
二取二制式：Two-out-of-two system
二次可镇定：quadratic stabilization