儿科顽疾：Difficult and complicate pediatric diseases
二维光弹：Two dimensional photoelasticity
耳穴刺血：Auricular-seed-pressing
耳针美容：Ear acupuncture for cosmetology
耳尖放血：Bloodletting on apex of the ear
耳穴神门：Sanyinjiao(Sp 6)
耳廓按摩：Auricular Massage
耳前切口：Preauricular Incision
儿心量表：Er-xin scal
二倍公息：dual mutual information
二釜工艺：two-reactor-process
二步残量：two-step residual
二次折扣：second discount
二层海洋：two-layer ocean
二层攻击：Layer 2 Attack
二元切分：bi-segment
二次特征：further feature extraction
二阶模型：Two-rank model
二元控制：binary control
二级搜索：secondary-search
二维实体：2D entity
儿童手机：Children Cell Phone
二次校准：Re-alignment
二次伸缩：2nd Dilation
二元索引：bi-gram index
二次序列：quadratic sequence
二分覆盖：bipartite vertex cover
二元期权：Binary option
二维电子：two-dimensional electron
二重复句：two-level complex sentences
二维置乱：2D-shuffling
二网格法：Two-grid discretization scheme
二维绩效：two-dimension performance
恶的问题：the problem of evil
儿女之情：the feelings on the love between lovers
二语语法：second language grammar
二元用语：dualistic phrase
儿童语篇：children's discourse
扼制问题：Hold-up problem
二氣化钛：Titanium dioxide
恶性外挂：vicious robot
二肽酶四：Dipeptidyl peptidase IV
二硝托胺：dinitramide
二次引爆：secondary explosion
莪术二酬：Curdione
二维有序：2D ordered
二折滚筒：folding cylinder
二级铵盐：secondary ammonium salt
二元协同：binary cooperative
儿科疾患：pediatrics diseases