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郭守敬是中国古代著名的水利工程师和数学家。
He is a famous ancient Chinese hydraulic engineer and mathematician.
youdao
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都江堰是我国著名的古代水利工程。
Dujiangyan Irrigation project is one of the most famous projects in China.
youdao
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都江堰是我国著名的古代水利工程。
Dujiangyan Irrigation project is one of the most famous projects in China.
youdao