ratog火箭助推起飞装置ratn.变节者；鼠；卑鄙的人v.捕鼠；背叛；偷窃ratched shank burring reamer棘柄去毛刺铰刀ratracheal banded parenchyma傍管带状薄壁组织Rats with spinal cord injury大鼠急性脊髓损伤rat submaxillary gland virus大鼠颌下腺病毒, 鼠疱疹病毒2rat antispectacle eye factor抗脱毛因素, 鼠抗眼镜眼皮炎因子rats models of gastric ulcer胃溃疡模型大鼠rating of perceived exertion自感用力度分级Rat bone marrow stremal cell骨髓基质干细胞rat' s craniocerebral traumaRat model for simple obesity单纯性肥胖大鼠模型