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.
通过上述对比可以看出，dompdf.js 在各项指标上都完胜传统的 html2pdf.js 方案。它不仅解决了 html2canvas 带来的模糊、体积大、无法选中文字等痛点，还大幅提升了生成速度和页面承载能力。
。新收录的资料对此有专业解读
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const blocking = Stream.push({ highWaterMark: 2, backpressure: 'block' });
但营收增长的背后，是成本压力的持续凸显。外卖大战中，平台佣金、配送费用成为侵蚀利润的主要因素，瑞幸2025年第三季度配送费用支出高达28.9亿元，同比增长211%，导致盈利水平承压。