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中国消费者报报道记者薛庆元）一注2元的彩票，可能中奖500万元，虽然中大奖的概率寥寥，但还是吸引了许多人跃跃欲试。然而最近，江苏南京一些学生家长向《中国消费者报》记者反映，在南京市部分地铁站、商超等闹

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在农药残留检测的广阔领域里，每一步的精准都关乎着食品安全与生态环境的平衡。多年来的实践探索，让我深刻理解到，高效、准确的检测方法对于保障农产品质量和人类健康的重要性。一、走进正己烷中敌稗溶液标准物质1

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