frequency surveillance system造句
例句與造句
- The active LFA system is an updated version of the fixed low frequency surveillance system known as Project Artemis.
- Checkpoint in March acquired Brazil's Mercatec Sistemas e Comercio de Equipamentos Electronicos Ltda ., a radio-frequency surveillance system manufacturer.
- It's difficult to find frequency surveillance system in a sentence. 用frequency surveillance system造句挺難的