二氢欧山芹素：Columbianedin
二氧化钛凝胶：titania gel
耳穴综合疗法：Synthetic Auricular Point Therapy
儿童口腔预防：Children Dental Care
二级发酵培养：Two-step fermentation
峨术醇衍生物：Homoharringtonine(HHT)
二进样条小波：Quadratic Spline Wavelet
二甲基胂酸钠：DMAA
额颞眶颧入路：frontotemporal-orbitozygomatic approach
二级结构模型：secondary structure modeling
二极管发光器：light emitting diode
儿童慢性咳嗽：child chronic cough
腭裂修复方法：tissue regeneration
儿童行为监测：children's behavioral surveillance survey
二相凝胶电泳：2-DE
二维稳定渗流：steady seepage
二次谐波生成：Second harmonic generation
二元统计模型：Two dimensional statistical model
二叉树坐标网：binary tree coordinate net
二阶聚类分析：twostep clustering analysis
二进谐波小波：Dyadic Harmonic Wavelet
二维BIN法：the planar Bin
二维9位模型：two-dimensional 9-bit model
二碘二溴联苯：diiododibromobiphenyl
二级增力机构：two stage force-amplifier mechanism
二次可调电源：Secondary Adjustable Power Supply
二级配混凝土：secondary aggregate grading concrete
二次进料位置：Position of the secondary feeder
二维水量模型：two-dimension water quantity model
儿童色彩心理：Child color psychology
二次优化控制：Twice Optimum Control
恶意负载识别：Unsafe Load Identification
二维正演模拟：2D-simulation
二元电力客户：Binary electric power customer
二值图像投影：binary image projection
二维定位平台：two-coordinate worktable
二级平衡机构：Second Order Balance Mechanism
二次控制回路：secondary control loop
二次过街设施：facility of pedestrian twice crossing
二次泵水系统：primary-secondary pumping water system
二阶振动频率：the two step free vibration frequency
二次空间变换：estimation of motion model coefficients
二氧化碳分离：CO_2 capture
二维颤振分析：2-DOF flutter analysis
二次发射技术：the two-stage propulsion technology
二阶连续潮流：second order continuation power flow
二维定位误差：Error of Two-dimensional Location
二次调节加载：secondary adjusting loading
二氧化硫吸附：Sulfur Dioxide Adsorption
二维相位解卷：the 2-dimensional phase unwrapping