One-one  一对一的

one-one (=injective)  单射的; 一一的

one-one mapping  一一映射

put one one’s thinking cap  动脑

Two one one Team  陕西省核工业地质局二一一大队

One class elementary school; One room school; One teacher school; Single room school  单班小学

one class school; one room school; one teacher school; single room school  单班学校

One room school; One class elementary school; One teacher school; Single room school  单班小学

One teacher school; One class elementary school; One room school; Single room school  单班小学

Single room school; One class elementary school; One room school; One teacher school  单班小学

One Case’ One Meeting system  静脉内的

One College Student for One Village Project  皮脂腺

One to one customization marketing  实验室

one village,one product program  悬纤维

“one point one calories fee” mode  一卡一费制

Adding Lines One by One  逐步加线法

address system， one-over-one  一超一地址制

address， one plus one  一加一地址; 直线加速器

applying tension loads one by one  逐根张拉