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1.The new model's threshold visibility is significantly improved compared to the previous one.
新款模型的门槛可见度与前款相比有显著提高。
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2. The researchers found that the threshold visibility for detecting a certain type of bacteria had been reduced by 20%.
研究人员发现检测某种细菌的门槛可见度降低了20%。
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3.Due to the increased efficiency of the new system, the threshold visibility has been lowered to ensure optimal performance.
由于新系统的效率提高，门槛可见度已降低以实现最佳性能。