二重穿插：two-fold penetration
二口恶英：dioxin
二异丁烯：diisobutene
鲕滩气藏：oolitic beach gas reservoir
二次形核：secondary nuclei
二次布料：two times arrange material technic
二苯乙炔：tolan
二氧化锗：germanium dioxide
二次梯度：quadratic gradient
二次电压：Secondary Voltage
二级散射：second-order scattering
二步加热：two-step heating
二次短路：the secondary short circuit
二次破坏：man-made further destroy
二次布点：Secondary sampling designs
二并联杆：biglide
厄尔尼诺：El Nino
二冷框架：secondary cooling frame
二次启动：secondary start-up
二钼酸铵：ammonium dimolybdate
二次装载：twice loading
二乔木兰：Magnoliaceae×soulangeana
二苯氯胂：Chlorodiphenylarsine
恩洪矿区：Enhong mining area
二级脱模：two stage mold unloading
二溴乙烷：Ethylene dibromide
厄瓜多尔：Ecuador
鲕粒灰岩：oolitic limestone
二维分形：two-dimensional fractal
额尔古纳：Eerguna
二氯亚砜：thionyl chloride
二道甸子：Erdaodianzi
二维平差：two-dimensional adjustment
二段冷却：two-step cooling
二次物料：secondary materials
恶臭废气：odor
儿童服饰：Children's garments
二次提取：twice distilling
二类储量：class II reserves
恩平凹陷：Enping sag
铒镱共掺：erbium ytterbium co-doped
二氯乙醚：2-dichloroethyl ether
二次放电：Secondary Discharge
二维轮廓：2D profiles
二次创业：second round of oil and gas exploration of China
二硫化钛：TiS2
二次时效：secondary ageing
二次精炼：secondary refining
二苯乙烯：stilbene
二维河流：two-dimensional river