off adv.表示状态的关闭或离开prep.离开;在...之外adj.空闲的;离开的;关闭的v.离开;脱下
双语例句
The width of the rectangular cavity was found to af-fect the cutoff frequency of the device most significantly, while the length of the cavity has least influence. 长方形共振腔的宽度影响元件之微波截止频率甚为显著,然而共振腔长度对元件的影响则较不明显。