A series, sequence, or succession; a set of items arranged in order.
新製品は三つの系列に分けて発売される予定だ。
The new products are scheduled to be released in three series.
この図書館では資料が年代の系列で並んでいる。
In this library, materials are arranged in chronological sequence.
研究は段階的な系列に従って進められた。
The research was carried out following a step-by-step sequence.
Keiretsu: a group or conglomeration of businesses linked by cross-shareholdings and mutual ties (Japanese corporate grouping).
戦後、多くの大企業は系列を通じて部品供給の関係を築いた。
After the war, many large companies built supplier relationships through their keiretsu.
あの会社はトヨタ系列の部品メーカーだ。
That company is a parts manufacturer affiliated with the Toyota keiretsu.
系列間の取引が業界の安定を支えている場合もある。
Transactions between affiliated companies sometimes support industry stability.
Being affiliated or part of a group (often used with の): belonging to a parent organization or being a subsidiary/affiliated entity.
彼女は系列の大学に推薦で進学した。
She entered an affiliated university by recommendation.
系列店が全国に展開している。
Franchise/affiliated stores have expanded nationwide.
その病院は大学の系列病院だ。
That hospital is affiliated with the university.