Man 's earliest implements were carved from stone and bone.

人类最早的工具是由石头和骨头凿成的。

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This paper proposes an automatic bone age assessment algorithm, designs and implements a bone age assessment system.

提出一个基于手部x光图像骨龄自动评价算法，并设计和实现一个骨龄评价系统。

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This paper proposes an automatic bone age assessment algorithm, designs and implements a bone age assessment system.

提出一个基于手部x光图像骨龄自动评价算法，并设计和实现一个骨龄评价系统。

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