原本用于军方的导航技术,后来被改造成民用系统。Yuánběn yòngyú jūnfāng de dǎoháng jìshù, hòulái bèi gǎizào chéng mínyòng xìtǒng.Navigation technology originally used by the military was later converted into a civilian system.
这座机场既有军用航班,也有民用航班。Zhè zuò jīchǎng jì yǒu jūnyòng hángbān, yě yǒu mínyòng hángbān.This airport has both military flights and civilian flights.
现在很多民用无人机可以用来拍照和送货。Xiànzài hěn duō mínyòng wúrénjī kěyǐ yòng lái pāizhào hé sòng huò.Nowadays many civilian drones can be used to take photos and deliver goods.