variants是什么意思？

variants

例句

• Those variants equip an organism specially well to cope with the exigencies of the environments. 变异使生物体配备得特别完善以应付环境的严酷要求.
• The results show that rarer variants are distributed more unevenly among populations. 本研究结果显示:越罕见的变体,其在人群中的分布也越不均衡.
• Conclusion: Multiple viral variants accumulate in the lier of occult HB - infected patients. 结论: 隐性HB感染病人肝内有复杂的病毒变异型蓄积.
• They all spoke variants of what once must have been the same language, Aryan. 他们说的全是同一种语言的不同变体,以前肯定都属于印欧语系语言.