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-cleaning tractor harrow自净机引耙self - made purifying agents自研净水剂self-aligned silicon process自对准硅加工self-balancing potentiometer自动平衡电位计,自平衡式电位计self-supporting conical roof自支承式锥顶self-government by villagers村民自治self correcting dynamic memory自纠错动态存储器self-supporting aerial cable自支持架空电缆self-tuning adaptive control自校正自适应控制self- evaluation on teaching教学自评