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1.The bacteria had to adapt to the environment, which is a crucial factor in determining the effective refractory period.
细菌必须适应环境，这是决定有效抵抗期的关键因素。
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2. In the context of cancer treatment, understanding the effective refractory period is crucial for designing effective treatment strategies.
在癌症治疗的背景下，了解有效抵抗期对于设计有效的治疗策略至关重要。
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3.The study found that the effective refractory period for this disease is relatively short, indicating that early intervention is essential.
研究发现，这种疾病的有效抵抗期相对较短，这表明早期干预是至关重要的。