也可用雌性F1与隐性纯合雄性亲本回交.F 1 females could be backcrossed to the male homozygous recessive parent.该方法可以很方便地应用于实际的回交育种.The method can be conveniently applied to practical backcross breeding programs.聚类分析发现方正银螂最先与异育银螂聚成一支, 再与异育银...
The river Tiber was no longer a foaming torrent overflowing the plains.台伯河已不再是漫溢平原的泛起泡沫的急流.It is located right bank of the Tiber River to the surrounding walls for borders.它地处台伯河右岸,以四周城墙为国界.Unfortunately Amulius , empero...
Objective To observe the curative effects of ivermectin combined with albendazole against hookworm and whipworm.目的观察伊维菌素和阿苯达唑伍用驱治钩虫和鞭虫感染的疗效.In the past century, eradication efforts failed against hookworm , yellow fever ...
an apocalyptic view of history对历史抱极其悲观的观点Parts of the ocean there look just absolutely apocalyptic.海洋的很多区域看上去完全像是世界末日。He attempts to explore dismal landscapes , where apocalyptic marches echo and thunder.他试图探索那些回响着神启之音的凄...