The depth of the index structure (a measure of the amount of work that is needed to perform an index lookup).
索引结构的深度(衡量执行索引查找所需的工作量)。
2
Objective To observe the changes of auditory evoked potentials index(AEPI)during induction and tracheal intubation and evaluate its effectiveness on anaesthesia depth monitoring.
目的观察听觉诱发电位指数在全麻诱导插管期间的变化，评价其用于临床麻醉深度监测的有效性。
3
Objective: To study the degree of routine anesthesia depth in cardiac valve replacement patients monitored by bispectral index (BIS), and to find out the relationship between BIS and stimulus.