A major barrier to interspecific hybridization is sterility in the F 1 progeny.
种间杂交的主要障碍是F1代的不育性.
辞典例句
F 1 females could be backcrossed to the male homozygous recessive parent.
也可用雌性F1与隐性纯合雄性亲本回交.
辞典例句
Michael Schumacher is a famous Formula 1 race car driver.
舒马赫是著名的F1赛车车手.
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The expiratory ( F E ) and inspired ( F 1 ) concentration of isoflurane were monitored continuously.
连续监测吸入气 ( F1 ) 和呼出气 ( FB ) 中的异氟醚浓度.
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Strike the F 1 key to continue, F 2 to run the setup utility.
按F1键继续, 按F2键执行设定公用程式.
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The effect arises from an accumulation of dominant genes in the F 1.
这种现象产生的原因是显性基因在F1代积累.
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Competing through innovation is, they say, what drives the F 1 racing spirit.
他们说, 正是对创新的竞争推动着F1赛车精神.
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As a F 1 driver , he was successful in my view.
人们不会忘记他 以及 他在F1的过去.
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F 1 came back to Europe.
F1回到欧洲.
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Juan Pablo Montoya's F 1 career has ended.
蒙托亚的F1职业生涯已经结束了.
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Formula 1 is a highly technical sport.
F1是一项科技含量很高的运动.
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Indy cars are simiar to F 1 cars.
印地赛车F1赛车非常相似.
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Press F 1 to get Help about the options.
按F1可获得有关选项的帮助.
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We have just started at doing another F 1.
我们刚开始做的是另一套看F1的.
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On 29 th April 2001, in Barcelona, this is Montoya's first ever podium finish in F 1.
2001年4月29日, 西班牙大奖赛, 这是蒙托亚首次登上F1的领奖台.
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