# Score all pairs (~65s, 235,625 comparisons)
Although some of you may consider this practice excessive, food suppliers and manufacturers adhere to the policy of tracing their products because bacteria such as E. coli and Salmonella have been found in packaged foods. In addition, there have been isolated cases where dangerous allergens such as peanuts have accidentally been introduced into certain products.
。关于这个话题，搜狗输入法2026提供了深入分析
對此，澳洲雪梨大學的桑德拉·奧爾代（Sandra Alday）向BBC分析，統一的15%關稅很可能對出口成品到美國的亞洲經濟體打擊最大。她說，對那些供應需要在美國完成組裝的商品的國家來說，影響更為複雜且難以評估。
Real game engines use this pattern (or its 3D cousin, the Octree) for broad-phase collision detection: the quadtree quickly identifies candidate pairs, and a more expensive narrow-phase check tests the actual geometry.