alternation of generations

基本解释

There is an alternation of diploid and haploid generations. Often one of these is much reduced and may not live independently.
具二倍体和单倍体的世代交替，二倍体或单倍体常过度简化而不能独立生活。
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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.
结论对结膜吸吮线虫病流行区，在健康教育基础上，果断实行换代大措施，是阻断本病传播的最有效方法。
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。

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)