在这个时候，拓扑学被称做位置几何学。
At this time the subject of topology was known as analysis situs.
在这个时候，拓扑学被称做位置几何学。
At is time the subject of topology was known as analysis situs.
差异的产生则是由几何位置，大气状况以及语种的不同造成的。
The difference is a matter of geometry, atmosphere, and language.
差异的产生则是由几何位置，大气状况以及语种的不同造成的。
The difference is a matter of geometry, atmosphere, and language.
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