After nine months in space, Nasa astronauts Butch Wilmore and Suni Williams have finally arrived back on Earth.
晚上6点10分，电话铃声再次响起来，阿爸又站起来接电话，对方催促阿爸快点过去，要开饭了。
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Nature, Published online: 25 February 2026; doi:10.1038/d41586-026-00515-x
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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