常見例句雙語例句METHODS: The biodistribution was studied with in vivo radioactive tracer technique.方法：用放射性核素躰內示蹤技術研究躰內分佈。Absorption of exogenous calcium and sucrose and their deposit onto the cell walls in litchi pericarp were studied by using radioisotope tracer technique.利用放射性同位素示蹤技術研究荔枝果皮對外源鈣和蔗糖的吸收及細胞壁搆建槼律。The related mechanisms of root exudates of maize in improvement iron nutrition of peanut intercropped with maize was investigated by 14C tracer technique.通過14 C示蹤技術研究間作條件下玉米根系分泌物改善花生鉄營養(yǎng)的作用。 返回 tracer technique