As a kind of professional education, normal colleges in China mainly take the task of secondary education teacher training since the date of birth.

作为一种专业教育，我国高师院校自诞生之日起，主要承担培养中等教育师资的任务。

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However, since the date of the birth of quantum mechanics, causality has begun to encounter the unprecedented challenges.

但是自从量子力学诞生之日起，因果关系开始受到前所未有的挑战。

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Since Nicolas was a real person, and since the actual date of his birth is known, we can derive the date of the book where he is mentioned.

既然尼古拉斯确有其人，他的真实生日我们也知道，推出书中故事的发生时间并不难。

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