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F2
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【医】 第二子代
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分类:
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详细解释:
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以下为句子列表:
英文: Abstract: The defects such as inclusion,splitting,dislocation and dendrite in the PbxLa1-x(Zry Tiz Sn1-y-z)O3(PLZST) single crystal grown from PbO-PbF2 flux by the slow cooling self-seeding technique were discussed in this paper.The forming mechanism of t
中文: 文摘:本文介绍了助熔剂缓慢降温自发成核法生长的稀土掺杂锆钛锡酸铅镧(PLZST)晶体中出现的几种缺陷:包裹体、开裂、位错、枝晶,分析了这些缺陷的形成机理并提出了减少和消除这些缺陷的一些措施。
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英文: Abstract: The main characters and seed set of BC1,BC2,BC1F2 from MS line back-crossing with the pollen of hybrid rice were studied.The appearance of a large number of self fertile plants in MS line was analyzed.The effect of introgression of restoring gen
中文: 文摘:研究了杂交稻花粉对母本不育系回交后代群体BC1、BC2、BC1F2的主要农艺性状和育性表现,分析了不育系中出现大量自交结实株的原因,讨论了恢复基因渗入对籼、粳不育系纯度和杂交稻产量的影响,指出“同质恢”对降低不育系纯度的严重性和杂交稻作制种田隔离区的不合理性。
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英文: F2 The second filial generation, obtained by crossing or selfing within the F1 generation.
中文: 子二代(杂种二代):,通过子一代内部的杂交或自交获得。
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英文: F2 fighter planes are made by Japan's Mitsubishi Heavy Industries and have similar features as the US F16 fighter planes.
中文: F2战斗机由日本三菱重工研制,它有许多与美国的F16战斗机相似的特征。
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英文: If the characteristic is governed by simple Mendelian genes, the typical monohybrid and dihybrid ratios become apparent in the F2 generation.
中文: 如果其特征取决于单一孟德尔基因,那么典型的单基因杂种和和双基因杂种的遗传比率将在子二代呈现。
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