zhuāng bèi yǒu léi dá de fēi jī, zài yè jiān fēi xíng shí fēi xíng yuán néng gòu zài léi dá píng mù shàng kàn jiàn yuǎn chù de jiàn zhù wù、 huò xǔ huán néng kàn jiàn qián mian jǐ yīng lǐ yuǎn de xiǎn jùn shān fēng。
The pilot in an airplane equipped with radar, flying at night, can see on the radar viewing screen distant buildings, or perhaps a dangerous mountain peak that is miles ahead.