This is the 1690th most frequent Polish word.
przeciwlotniczej
Anti-aircraft.
In this sentence, the word 'przeciwlotniczej' is used in an adjectival form to describe the type of artillery exhibited in the museum, specifically indicating that it is anti-aircraft artillery.
Wczoraj widziałem muzeum z eksponatami artylerii przeciwlotniczej.
Yesterday, I visited a museum with exhibits of anti-aircraft artillery.
Here, 'przeciwlotniczej' functions as an adjective, modifying 'baterii' to specify its use in anti-aircraft operations.
Żołnierze ćwiczyli obsługę baterii przeciwlotniczej.
The soldiers trained on operating the anti-aircraft battery.
In this example, 'przeciwlotniczej' is used in a possessive or descriptive manner, indicating that the reconnaissance system pertains to the defense system aimed at countering aircraft.