世代交替（alternation of generations）：有的寄生虫生活史中 仅有无性生殖，有的仅有有性生殖，有的则兼有以上两种生殖方式 才能完成一代的发育，即存在生殖方式的交替...
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...殖那种以二性简殖与孤雄简殖瓜代的体式格局师殖女儿的征象,又称替异态瓜代(heterogeny)或者世代瓜代(alternation of generations)如棉蚜虫自三秋到春终,止孤雄简殖10一20缺代,到春终夏始则呈现雄、雌二性个别,并配类高蛋功夏
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isomorphic alternation of generations 同形世代交替
heteromorphic alternation of generations 异形世代交替
antithetic alternation of generations [植] 异源世代交替
homologous alternation of generations [植] 同源世代交替
heterophasic alternation of generations 异相世代交替
homophasic alternation of generations 同核相世代交替
primary alternation of generations 一次世代交替
同义词： heterogenesis xenogenesis
以上来源于: WordNet
N the production within the life cycle of an organism of alternating asexual and sexual reproductive forms. It occurs in many plants and lower animals 世代交替; 有机生物生命周期中繁殖时无性繁殖和有性繁殖模式的交替 (Also called metagenesis, heterogenesis, digenesis, xenogenesis)
The gamete - producing phase in a plant characterized by alternation of generations.
配子体植物中以世代交替为特征的产生配子产生的阶段…
No alternation of generations the medusoid phase being entirely suppressed: sea anemones; corals.
由于没有世代交替，水母阶段遭到完全抑制；海葵；珊瑚虫。
Coelenterates typically having alternation of generations; hydroid phase is usually colonial giving rise to the medusoid phase by budding: hydras and jellyfishes.
以世代交替为特色的腔肠动物；通常群居的水螅阶段先于水母阶段；水螅和水母。
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