The problem of precision of transferred position line and running fix is discussed in the textbook Navigation in marine instilutes.
关于转移船位线和移线定位的精度问题，在航海院校的教材《航海学》（文献［１］、［２］、［３］）中都有论述，它们都是根据前苏联乌霍夫教授在他编著的《航海学》（文献［４］）中提出的观点来论述的。
In some fields demanding higher precision, the fullclosed loop position mode of cornerlineardisplacement was introduced,and the position error of this system was also analyzed based on the instance of NUT servo system.
针对一些精度要求比较高的应用场合,以NUT伺服系统为例,介绍了转角线位移式全闭环位置伺服系统。