A major barrier to interspecific hybridization is sterility in the F 1 progeny.
種間雜交的主要障礙是F1代的不育性.
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F 1 females could be backcrossed to the male homozygous recessive parent.
也可用雌性F1與隱性純合雄性親本回交.
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Michael Schumacher is a famous Formula 1 race car driver.
舒馬赫是著名的F1賽車車手.
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The expiratory ( F E ) and inspired ( F 1 ) concentration of isoflurane were monitored continuously.
連續監測吸入氣 ( F1 ) 和呼出氣 ( FB ) 中的異氟醚濃度.
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Strike the F 1 key to continue, F 2 to run the setup utility.
按F1鍵繼續, 按F2鍵執行設定公用程式.
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The effect arises from an accumulation of dominant genes in the F 1.
這種現象產生的原因是顯性基因在F1代積累.
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Competing through innovation is, they say, what drives the F 1 racing spirit.
他們說, 正是對創新的競爭推動著F1賽車精神.
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As a F 1 driver , he was successful in my view.
人們不會忘記他 以及 他在F1的過去.
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F 1 came back to Europe.
F1回到歐洲.
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Juan Pablo Montoya's F 1 career has ended.
蒙托亞的F1職業生涯已經結束了.
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Formula 1 is a highly technical sport.
F1是一項科技含量很高的運動.
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Indy cars are simiar to F 1 cars.
印地賽車F1賽車非常相似.
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Press F 1 to get Help about the options.
按F1可獲得有關選項的幫助.
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We have just started at doing another F 1.
我們剛開始做的是另一套看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, 西班牙大獎賽, 這是蒙托亞首次登上F1的領獎臺.
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