to prep.对于;为了;(表示方向)到;向;(表示间接关系)给adv.(表示方向)去;(门)关上
双语例句
A log of elemental concentrations derived from the characteristic energy levels of gamma rays emitted by a nucleus that has been activated by neutron bombardment. 记录元素浓度的测井方法,利用中子轰击原子核,使其激活后释放出伽马射线,根据伽马射线的特征能量级可获得元素浓度。