displacement ton排水量吨displacementn.置换；转位；移动；位移；排水量Displacement control mechanism排量控制机构displacement distribution mode位移分布模式displacement resplnse spectrum位移反应谱displacement of fractured ends断端移位displacement nitration process排代硝化法Displacement clavicle fracture移位性锁骨骨折Displacement vector estimation位移矢量估计Displacement of cardiac device心脏装置移位displacement temporal response位移时程响应displacement ductility factors位移延性系数