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用数理统计的方法，提出了弹箭密集度交验优惠方案的一种设计方法，使优惠方案更趋合理，有利于促进产品质量的提高。
With the method of mathematical statistics, this paper puts forward a design method of concession scheme of projectile density, which makes the preferential scheme more reasonable and helps to improve the product quality.