quadrupole ['kwɒdrəˌpoʊl]

例句:

• In a spherical nucleus, the coupling term implies an interweaving of the quadrupole and dipole motion.
  对球形核中的耦合项意味着四级运动和偶极运动间的交织.
  
• The most radical of the new approaches uses " quadrupole resonance technology ".
  最引人注目的新方法是使用 “ 四极矩共振技术 ” (注四).
  
• Like precession, mountains produce some quadrupole asymmetry, so they will radiate.
  山脉也可以像进动那样产生四极不对称, 因此它们也将辐射引力波.