系列

In a sentence

• この大学は古典文学研究の系列があります。

  This university has departments for classical literature studies.

  In this context, '系列' refers to a specialized field or branch within an institution or organization.

• 彼はその会社の系列店舗をいくつか訪れました。

  He visited several chain stores of that company.

  Here, '系列' is used to denote a network or sequence of shops under the same management or brand.

• 彼女の興味は哲学や歴史のどちらかの系列に集中しています。

  Her interests are focused on the branches of either philosophy or history.

  In this case, '系列' references the branches or subdivisions of a particular field of study or interest.