alternation of generations

常见例句

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。