当代→人工智能｜A|2D边界框2DBoundingBox:标注员应用矩形和正方形来界定目标对象的位置。$B|三维长方体Cuboid或3D边界框3DBoundingBox:标注员将立方体应用于目标对象，以界定对象的位置和深度。$C|多边形分割PolygonalSegmentation:当目标对象不对称且不容易放入盒子中时，标注员会使用复…〔07-03〕

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  当代→英语｜picurl@@@Do you know World Letter Writing Day? It falls ${input} September 1st every year. It was setup by Richard Simpkin in 2014. He encouraged people ${input}…〔06-02〕

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