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According to the astronomical data including proper motions, positions and membership probabilities of individual stars, several astrophysical parameters for these two clusters are determined, such as HR diagrams, ages, distances, luminosity functions, masses and kinematics, etc. It is found that the distances are\n ($525\\pm 48$pc) and ($794\\pm 73$pc) with ages of $1.5\\times10^8$yr and $6.3\\times10^8$yr for\n NGC1750 and NGC1758 respectively. 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