selfpoisen.自动平衡(镇静)
selfn.自己;本性;自我pron.我自己;你自己;他或她自己adj.始终如一的;同一类型的;性质不变的v.近亲繁殖;自花授粉
self- contained power source自备电源
self-propelled hopper dredge自行式装料斗采砂船
Self-sufficient-well water自备井水
self-access English learning自主英语学习
self-support material course自营物流
self-balancing test of piles自平衡试桩法
self - diffusion coefficient自扩散系数
Self-Steering Array Repeater自操纵天线阵转发器