f duction f 转导f factor 性因子f pilus f 菌毛f strain f 菌株f+ strain f+菌株f2 generation 第一代杂种f3generation 第二代杂种face 颜facet 小眼面faceted eye 复眼facial angle 颜角facial cystidium 侧生囊状体facial expression 用手势模仿facial form 脸型facial gland 颜腺facial nerve 面神经faciation 变群丛facies 演替系列变群丛facies fossil 指相化石facies index 指相化石facilitation 促进factor 因子factor map 遗传图factor of determination 决定因子factor of realization 实现因子factor pair 基因成对factorial analysis 因子分析facultative aerobe 兼性需氧菌facultative anaerobe 兼性厌氧菌facultative parasite 兼性寄生物facultative saprophyte 兼性腐生菌facultative saprophytism 兼性腐生facultative shade plant 兼性阴地植物fad 黄素腺嘌呤二核苷酸faecal 粪的faecal stone 粪化石faeces 粪fagopyrism 荞麦中毒failyear 凶年fairy ring 仙环falcate 镰刀状的falciform 镰刀状的falciform process 镰状突fall planting 秋植fallopian tube 输卵管fallow 休闲地fallow field 休闲地false annual ring 假年轮false atavism 偶发杂交false axis 合轴false fruit 假果false linkage 拟连锁false pregnancy 假孕false rib 弓肋false verticilli 假轮生family 科;族family selection 谱系选择family structure 家族结构fang 长牙fao 联合国粮食与农业组织far point 远点far sightedness 远视farina 谷粉farm 农田farm animal 家畜farnoquinone 金合欢醌farrowing interval 分娩期间fascia 筋膜fasciation 带化fascicle 丛生fascicular cambium 束中形成层fasciculated root 丛状根fase ring 假年轮fat 脂类fat body 脂肪体fat cell 脂细胞fat deficiency 脂肪缺陷fat deposition 脂肪沉积fat droplet 脂肪滴fat granule 脂肪滴fat marrow 脂肪骨髓fat metabolism 脂肪代谢fat tissue 脂肪组织fatal dose 致死量fatality 致死率fate map 原基分布图fatigue 疲劳fatigue poison 疲倦毒素fattening 肥育fattening feed 肥育饲料fatty 脂肪的fatty acid 脂肪酸fatty acid oxidation 脂肪酸氧化fatty degeneration 脂肪变性fatty inclusion ...