So if the wall is 9m wide, use 18m as the width to consider resolution.

因此如果长城宽9米，那么就用18米作为分辨率。

youdao

So if the wall is 9m wide, use 18m as the width to consider resolution.

因此如果长城宽9米，那么就用18米作为分辨率。

youdao