常見(jiàn)例句雙語(yǔ)例句Objective: To choose the best of tracers and tracing time as study on retrograde tract-tracing in sciatic nerve of dog.目的：確定狗周?chē)窠?jīng)逆行示蹤試驗(yàn)的最佳示蹤劑及示蹤時(shí)間。 返回 nerve tract tracing