alternation of generations

常見(jiàn)例句

雙語(yǔ)例句

• There is an alternation of diploid and haploid generations. Often one of these is much reduced and may not live independently.
  具二倍體和單倍體的世代交替，二倍體或單倍體常過(guò)度簡(jiǎn)化而不能獨(dú)立生活。
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• Conclusion Alternation of generations of family dogs by health education is the most effective method in countermeasure for control of thelaziasis.
  結(jié)論對(duì)結(jié)膜吸吮線蟲(chóng)病流行區(qū)，在健康教育基礎(chǔ)上，果斷實(shí)行換代大措施，是阻斷本病傳播的最有效方法。
• Coelenterates typically having alternation of generations; hydroid phase is usually colonial giving rise to the medusoid phase by budding: hydras and jellyfishes.
  以世代交替為特色的腔腸動(dòng)物；通常群居的水螅階段先于水母階段；水螅和水母。
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