地球上的方向是通过方位角测定的.Direction on the sphere is measured by azimuths.每个交叉点上的一条边的长度和方位角是一开始就决定的.The length and azimuth of one side at each junction point is first decided on.方位误差必须观测天文方位角 ( 及经度 ) 来控制.The error in azimuth must ...
In the walls of the cubicle there were three orifices.办公间的墙上有三个孔洞.Once again he glanced at his rival in the opposite cubicle.他再瞥一眼对面办公间里的对手.We sat silent for a while, and a homy feeling invaded my ugly little cubicle.我俩默...