记录和标绘的罗盘读数最好都是真正的方位.It is best to record and plot all compass readings as true bearings.因此,开发过程必然涉及到矢量符号设计和标绘的问题.Therefore it is inevitable to lead to the problem of designing and marking vector symbols....

“标绘的”的英语可以翻译为：plotted ...