雷达标绘是雷达避碰的基础。

Radar plotting is the basis of collision avoidance with radar.

测绘用圆规和量角器划线和角；标绘。

To draw to scale by means of a scale and protractor; plot.

类似于标绘上面的世界地图，后续命令将在州渐变地图中标绘大型蓝色椭圆形，同时在图像中记录各自的像素坐标。

Similar to the plotting of the world map above, the succeeding command plots large blue ellipses on the state shaded map, while recording the respective pixel coordinates in the image.

把他们标绘在此只是用于当与其数据库导航系统对照使用航图时使飞行员保持方向。

They are shown only to enable the pilot to maintain orientation when using charts in concert with database navigation systems.