By comparison with the POL, this method is easier to be realized and has higher measurement accuracy, so it is suitable for auto-alignment system.
与原来的透镜效应法相比，此法对轴更简单，而且具有更高的测量精度，更适合于自动对轴系统。
2
High reliability of engine system can ensure high reliability of POL equipment.
军用油料装备动力系统的高可靠性是装备可靠性的重要保证。
3
Starting from the analysis of POL service simulation training system's features, it provides the design objective of POL service simulation training system.