This is the 6404th most frequent Russian word.
чрезвычайных
"Extraordinary" or "emergency."
Here, 'чрезвычайных' (extraordinary, emergency) describes the term 'circumstances' to indicate unusual or urgent situations.
В случае чрезвычайных обстоятельств эвакуация необходима.
In the case of emergency situations, evacuation is necessary.
Here, 'чрезвычайных' is an attribute for 'incidents,' implying events that require immediate attention or are critical.
Пожарные быстро реагируют на чрезвычайных происшествиях.
Firefighters quickly respond to emergency incidents.
Here, 'чрезвычайных' modifies 'situations,' emphasizing that these are instances of great importance requiring careful management.