然后研究人员推动这个冷却的云斑，并进一步把反质子压缩，以致可以用一个相似大小的中子云来与它相重叠，就在那时，两个粒子（反质子和中子）成对地形成了反氢原子。
Then the researchers nudged this cloud of cold, compressed antiprotons so it overlapped with a like-size positron cloud, where the two particles mated to form antihydrogen.
它的大小和朝向是受其所在的地形限定的。
Its size and orientation are precisely defined by the topography of the site.
18个教室和其他功能，表现在了五个不同大小，并与周围地形的高度相互呼应的方盒空间上。
18 classrooms and other functions where to be arrayed in five boxes in different sizes and with increasing heights responding to surrounding topography.
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