方法是三角的手段之一，我用，以确定火箭队的最高海拔高度。

The method of triangulation was one of the means I used to determine the rockets' maximum altitude.

youdao

方法是三角的手段之一，我用，以确定火箭队的最高海拔高度。

The method of triangulation was one of the means I used to determine the rockets' maximum altitude.

youdao