此类标准提升并非单独推进，此前电动自行车新标准也通过限制塑料用量、强制安装北斗定位装置、实施“一车一码”防伪设计等措施，构建了全方位安全保障体系。
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With n guesses, we obtain roughly n(n−1)/2 pairwise comparisons. Many become redundant through transitivity, yet sufficient to rapidly reduce the potential answer region.
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