映象退出 image exit

退休大象 Retiring elephants

退化现象 Degeneracyphenomenon

商业暂时衰退现象 recession

即所谓的粒子退化现象 Degeneracy Problem

磁体退化现象 [低温] degradation phenomenon of magnet

当采访对象退缩的时候 Rose Rosenblatt & Marion Lipschutz

衰退现象 waning phenomenon ; Degradation phenomenon

垂体前叶功能减退危象 hypopituitary crisis

磁性衰退现象 aging of magnet