加州长滩市—天文学家也许已经解决了宇宙的鸡与蛋问题：星系和星系核心的特大质量黑洞哪个最先出现？
LONG BEACH, Calif. - Astronomers may have solved a cosmic chicken-and-the-egg problem: Which came first - galaxies or the supermassive black holes in their cores?
对安徽省阜阳市某蛋品加工厂“变质蛋”带菌情况进行分析，为阜阳市食品质量与安全管理提供理论依据。
This paper analyzes the the germ-carrying information of degenerate eggs in a factory of Fuyang city, so as to supply the theoretical basis of food quality and security control of this city.
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