The city's public high school, as well as a number of daycare centers, preschools, elementary and middle schools, fell in the lowest 10%.
该市的公立高中,以及一些日托中心、幼儿园、小学和中学的排名跌至最低的10%。
Around this time, the largest of these centers, Cuicuilco, was seriously affected by a volcanic eruption, with much of its agricultural land covered by lava.
大约在这个时候,这些中心中最大的 Cuicuilco 受到了火山喷发的严重影响,它的大部分农田被熔岩覆盖。
Prior to 200 B.C., a number of relatively small centers coexisted in and near the Valley of Mexico.
在公元前200年以前,在墨西哥峡谷内部及周边有很多相对较小的城镇中心共存着。
In many countries there are a few natural bottlenecks, whether it be large data centers or right-of-ways."
VOA: special.2011.02.21
But can you see that the centers of electron deficiency lie on a sphere equidistant from the center?
但你看得到么,缺电子的地方分布在,与中心等距的一个球面上?
Joshua Greene Or people like a very young Joshua Greene, who does a research on morality and shows that we have morality centers in our brain.
或年轻的,他对道德进行研究,显示大脑里有道德中心。
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