Because of the absence of border checkpoints at the road entry points into the Principality, only heliports and ports of Monaco have the electronic means to monitor data described in question 16.
由于公国的道路入境点未设边防站，只有摩纳哥直升机场和摩纳哥港边防站具备用电子方式查询问题16所述信息数据的能力。