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- 子二代（F2）second filial generation (F2)
- 子二代(简写F 2 )second filial generation
- 子二代鼠Physical development
- 二two
- 子midnight
- 近交子二代inbreeding two generation
- 杂交子二代Second filial( F2 )
- 文昌鱼的实验室繁育及子二代获得Laboratory Culturing and Acquirement of the Second Filial Generation of Amphioxus
- 二代bibasic
- 轻子二重态lepton doublet
- 小麦杂交二代（F2）Second - generation of wheat hybrid
- 热载子二极体[电] hot-carrier diode
- 他俩生有一子二女。The couple have a son and two daughters.
- 二代近帖聚焦像增强器纳秒响应技术Technology Study of ns Response for the Second Generation Proximity Focus Image Intensifier
- 双井子二云母花岗岩Shuangjingzi two-mica granite
- 安中杂交二代羔羊毛囊和被毛的特点分析与研究The analysis and investigation of traits of lamb's follicle and wool of hybrids of Angora with Zhongwei goats
- GaAs/AlGaAs窄量子阱中激子二维特性的退化DEGENERATION OF QUASI-TWO-DIMENSIONAL PROPERTIES OF EXCITONS IN NARROW GaAs/AIGaAs QUANTUM WELLS
- 华北北部地区二代棉铃虫成虫迁飞行为的雷达观测Radar observations on the migratory behavior of the second generation cotton bollworm moths in the north part of northern China
- 一种新型实用的双斜楔面-圆柱滚子二次增力机构One New Applied Mechanism Based on Two-Steps Force Amplifier Composed of Roll-Body and Double Inclines
- 超二代Super second generation
