计算是相对地直接的，但他们必须能应付以所有可以想像的几何学情况，包括垂直线，平行的线，等等。

The computations are relatively straightforward, but they must be able to cope with all conceivable geometric situations, including vertical lines, parallel lines, and so on.

youdao

计算是相对地直接的，但他们必须能应付以所有可以想像的几何学情况，包括垂直线，平行的线，等等。

The computations are relatively straightforward, but they must be able to cope with all conceivable geometric situations, including vertical lines, parallel lines, and so on.

youdao