News item 1
A、
Itisbenefitingciviliansandthemilitary.
B、
Ithasbeenprovidingaccurateandstableservices.
C、
Ithasimproveditsaccuracytoanerrormarginaslowasfivemeters.
D、
Itsaccuracycanbefurtherimprovedtobewithincentimeters.
发布时间：2025-08-03 19:20:11
