搜索 - 科创

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感觉很好的一道题目，可以算是树链剖分中比较值得思考的题目之一。题目描述：口袋妖怪(又名神奇宝贝或宠物小精灵)红/蓝/绿宝石中的水系道馆需要经过三个冰地才能到达馆主的面前，冰地中的每一个冰块都只能经过一...

中文名: Altium Designer Summer 09 资源格式: 安装包版本: (含破解) Build9.3.1.19182 发行时间: 2009年制作发行: Altium地区: 美国语...

LD50值：在大鼠中，蔗糖的口服LD50值为雄性35.4 ± 7.0 g/kg，雌性29.7 ± 3.7 g/kg。这意味着在实验条件下，每公斤体重的大鼠摄入超过这些剂量的蔗糖，有50%的个体可能会死...

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