permanent set永久应变[变形],永久变定(物),最后凝结,固定装置
permanentadj.永久的;持久的n.<口> 烫发
permanent vegetation永久性植被
permanent prosthesis永久性假肢
permanent line stake永久线路橛
permanent bench mark固定水准点,永久水准基点
Permanent Magnet MRI永磁MRI
permanent employment终身雇用; 永久雇用
permanent difference永久性差异