“It’s the classic ‘chicken and the egg’ puzzle,” Mitra said. “Learning may explain how the son copies its father’s song, but it doesn’t explain the origin of the father’s song.”

“这是典型的‘鸡和蛋’难题，”Mitra说，“学习也许能解释儿子如何复制他父亲的歌曲，但是并不能解释父亲歌曲的起源。”

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The problem of the origin of the universe, is a bit like the old question: Which came first, the chicken, or the egg.

宇宙起源的问题有点儿像这个老问题：是鸡生蛋，还是蛋生鸡？

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On the basis of analyzing the geological origin of Changhua chicken blood stone, this paper discusses and summarizes its determinative characteristic.

本文在分析昌化鸡血石地质成因的基础上，初步分析总结了昌化鸡血石的矿物学鉴定特征，以期为其质量评价提供地学依。

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