But during the Renaissance period in Europe, astronomy's ties to astrology were broken and it became a real science.
欧洲文艺复兴时期，天文学和占星术的纽带被切断，天文学成了一门真正的科学。
Call it the era of trickle-down science: knowledge emerged from a confined center of rational enlightenment, then slowly became known to the rest of society.
我们把这个叫做滴入式科学时代，即研究成果先从实验室出来，然后再慢慢向社会传播。
About three decades later it became a highly sophisticated science - - thanks to the new generation of young engineering graduates.
大概经过了三十年后它开始变为一门成熟科学——由于新一代年轻的工程学者们。
At present , it has became one important economic and managing science .
现在，它已经成为一门重要的经济管理科学。
As one of the important means for meeting this aim, Optimal power Flow became the pop problem for many power science researchers since it came into being.
最优潮流作为满足这一目标的重要手段之一，自其诞生之日起便成为许多电力系统科研人员十分关心的热门课题。
As one of the important means for meeting this aim, Optimal power Flow became the pop problem for many power science researchers since it came into being.
最优潮流作为满足这一目标的重要手段之一，自其诞生之日起便成为许多电力系统科研人员十分关心的热门课题。
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