complete irreducible variety

例句：

1. 1. The complete irreducible variety of the species is essential forits survival.
   该物种的完整不可再分变种对其生存至关重要。
2. 2. The researcher discovered a complete irreduciblevariety of bacteria that could not be cultivated in the laboratory.
   研究人员发现了一种在实验室无法培养的完整不可再分细菌变种。
3. 3. The complete irreducible variety of the plant has unique characteristicsthat make it distinct from other plants.
   这种植物的完整不可再分变种具有独特的特性，使其与其他植物区别开来。