多名业内人士透露，美国航天及半导体企业的供应商正面临日益加剧的稀土短缺压力，其中至少两家企业已开始谢绝部分客户订单，此时距离美国总统特朗普计划赴北京与中国国家主席习近平举行峰会仅剩数周。
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When shape similarity lies: size-ratio artifacts in confusable detection Confusable detection pipelines normalise characters to a fixed canvas before measuring similarity. This hides natural size differences. We re-rendered 2,203 scored pairs (TR39 baseline + novel discoveries) at their original sizes and found 254 with width or height ratios above 2x.
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