demissum and ordinary cultivars Katahdin of the first backcross generation materials, take 12 hybrid combinations as materials which contained 2 copies of backcross generation materials and 2 cultivars by Giffing Ⅲ complete diallel crosses.
demissum与普通栽培品种Katahdin回交一代材料主要农艺性状的细胞效应,以2份回交一代材料、2个栽培品种按GiffingⅢ完全双列杂交配制的12个杂交组合为材料,应用细胞遗传效应分析方法,对正反交两种组配类型的回交一代群体的遗传参数进行分析。
Study on Genetic Variation of the Hybrid BC_1F_1 between Elymus Dahuricus and Hordeum Brevisubulatum;
披碱草与野大麦杂种回交一代遗传变异研究
When they did talk they slipped into the naive intimacy of college days.
他们一交谈就不知不觉地回到了大学时代天真亲密的气氛。
first filial
杂交第一代, 子一代
How was she ever going to explain the damged car to her husband?
她泪流满面地说，这是一辆新车，刚刚买回来没几天，回家她该如何向丈夫交代呢？
QTLs Analysis of Rice Grain Shape by Using Advanced Backcross Populations;
利用高世代回交群体分析水稻粒型QTLs
QTL Identification of Main Agronomic Characters Based on Advanced Backcross Population in Maize;
基于玉米高代回交群体的QTL分析
The Advanced Backeross Population Population in Maize in the Response to Low Nitrogen Stress and Low Phosphorus Stress
玉米高代回交群体对氮磷胁迫的反应
Think back to your childhood.
回想一下你的童年时代。
F1 The first filial generation; i.e. the first generation that results from a particular cross.
子一代（杂种一代）：杂交第一代，也就是一个特定杂交产生的第一代。
Analysis of Genetic Variation of Main Economic Traits of Interspecific Hybrid between Gossypium Hirsutum L. and G. Barbadense L. and Its Backcross Populations
陆海棉花杂交F_1代及其回交后代主要经济性状的遗传变异分析
Molecular Marker of Cotton Fiber Quality and Yield Using Advanced Backcross Recombinational Lines between Upland Cotton (G.hirsutum. L) and Island Cotton (G.barbadense. L)
陆海杂交高代回交重组近交系纤维品质和产量分子标记研究
Returns the last child of the parent of a specified member.
返回指定成员的父代的最后一个子代。
Returns the first child of the parent of a specified member.
返回指定成员的父代的第一个子代。
That once conceded, I return to my exhortation.
这件事交代以后，我再回头来说我的劝告词。
The Traditional Chinese Humanities and Modern Public Relations --Their Intermingling and Interaction;
中华传统人学与现代公共关系的交融和回应
Historical Looking Back and Contemporary Reflection on Cultural Exchanges between China and Western Countries
中西方文化交流的历史回顾与当代反思
Genetic Variation of Morphological Characters of Backcross Generations of Core Collection for Yunnan Rice
云南稻核心种质回交后代表型性状遗传变异
QTL Mapping of Traits Related to Drought Toleranc of Advanced Backcrossing Introgression Lines in Rice
水稻高代回交导入系抗旱相关性状QTL定位研究