特殊用法chiral twinning1.(晶体)光学孪生crossed twinning1.十字双晶deformation twinning1.形变孪生diplo-haploid twinning1.双倍单倍双生electric twinning1.电孪生oscillatory twinning1.振荡孪生polysynthetic twinning1.多合孪生secondary twinning1.二次孪生town twinning1.城市结谊