Compared to the traditional technology, aviator no longer depends on the ground navigation facility but is able to flight along the precise track; besides, airplane could land safely and accurately even under the worst visibility, which has greatly improv
Compared to the traditional technology, aviator no longer depends on the ground navigation facility but is able to flight along the precise track; besides, airplane could land safely and accurately even under the worst visibility, which has greatly improv
与传统技术相比，飞行员不必依赖地面导航设施即能沿著精准定位的航迹飞行，使飞机在能见度极差的条件下安全、精确地著陆，极大提高飞行的安全水平。