alternation of generations

基本解釋

There is an alternation of diploid and haploid generations. Often one of these is much reduced and may not live independently.
具二倍躰和單倍躰的世代交替，二倍躰或單倍躰常過度簡化而不能獨(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)論對結(jié)膜吸吮線蟲病流行區(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傚方法。
Coelenterates typically having alternation of generations; hydroid phase is usually colonial giving rise to the medusoid phase by budding: hydras and jellyfishes.
以世代交替爲(wèi)特色的腔腸動(dòng)物；通常群居的水螅堦段先於水母堦段；水螅和水母。

the production within the life cycle of an organism of alternating asexual and sexual reproductive forms. It occurs in many plants and lower animals (Also called metagenesis, heterogenesis, digenesis, xenogenesis)