double-track
(railways) Having a pair of tracks in order to allow trains to pass in opposite directions.
(Hinduism) The goddess of snakes in Hindu mythology.
Any of multiple products that are produced at the same time, or by the same process / (mathematics) The colimit of two (or more) objects, without regard to any morphisms between them.
The position of abbot.
新しい複線区間により、列車がスムーズにすれ違えるようになり、遅延が減りました。
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