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1. The company's delivery ratio has improved significantly in the past year.
该公司过去一年的交付比率有显著提高。
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2. To ensure customer satisfaction, we need to maintain a high delivery ratio.
为了确保客户满意度，我们需要保持高交付比率。
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3. The delivery ratio of the new product is 80%, which is higher than the previous model.
新产品的交付比率为80%，高于之前的型号。