台数

1. Origins, structure, and basic meaning

• Structure: 台数 is a noun read だいすう, meaning the number of vehicles, machines, or other items counted with 台.
• Basic usage: It can state how many cars a parking lot accommodates or how many machines a factory keeps in operation.
  • 駐車場に入れる車の台数を数えた。 says that the number of cars able to enter the parking lot was counted; 工場は稼働する機械の台数を減らした。 says that the factory reduced the number of operating machines.

2. Common pitfalls and similar expressions

• 車の台数を数える
  • の links the count to the cars, and を marks that count as what was measured.
• 稼働する機械の台数
  • 稼働する modifies machines and limits the count to those in operation.
• 台数 and 個数
  • 台数 counts vehicles and machines with 台, while 個数 counts individual objects more generally.