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视野及失真测试卡：如...
发布时间 2025.04.01
为什么摄像头拍的照片总变形？你可能不知道，每10个摄像头就有3个存在肉眼难辨的畸变。去年某医院采购的激光美容仪效果不佳，最后揪出元凶竟是镜头畸变导致光束偏移0.3nm——相当...
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激光波长计：如何用一...
发布时间 2025.04.01
你有没有想过，科学家是怎么知道一束激光有多"长"的？这个"长"可不是指距离，而是决定激光颜色的关键——波长。就像用尺子量身高，激光波长...
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包装盒一压就破？全自...
发布时间 2025.04.01
哎，你收快递遇到过"开口笑"的纸箱吗？去年双十一某物流仓就闹过笑话——整批化妆品礼盒运输后全成了"开口脆"，商家赔了200多万。今儿咱就...
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砝码配件如何选型更精...
发布时间 2025.03.31
为什么实验室标配不锈钢砝码？依据2023年新版《OIML R111计量规范》，316L不锈钢的耐腐蚀性比普通钢材提升4.2倍。某药企曾用铝合金砝码校准天平，导致价值1300万元的原料药灌装线出现0.3...
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