link·age /ˈlɪŋkɪʤ/
  聯合,連鎖,結合,聯動
  link·age /ˈlɪŋkɪʤ/ 名詞
  鍵,鏈合,連接,連鎖,聯繫
  linkage
  鏈結
  linkage
  鏈接 鏈
  Link·age n.
  1. The act of linking; the state of being linked; also, a system of links.
  2. Chem. Manner of linking or of being linked; -- said of the union of atoms or radicals in the molecule.
  3. Geom. A system of straight lines or bars, fastened together by joints, and having certain of their points fixed in a plane. It is used to describe straight lines and curves in the plane.
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  linkage
       n 1: an associative relation
       2: (genetics) traits that tend to be inherited together as a
          consequence of an association between their genes; all of
          the genes of a given chromosome are linked (where one goes
          they all go) [syn: gene linkage]
       3: a mechanical system of rods or springs or pivots that
          transmits power or motion
       4: the act of linking things together