chē​cì

service number

车次 車次 chē​cì
service number
The specific number assigned to a train or long-distance bus service, usually indicating its schedule or route.
vehicle-trip
A unit of measurement used to count transportation volume, where one vehicle making one trip equals one vehicle-trip.

Frequency

Movie subtitles
0.030 per million appears in 0% of films
Written text
2.26 per million

Sources