circular gap是什么意思

用法例句

In this method,circle intermittent deposition is realized by periodical repetition of "deposition-nondeposition-annealing".

采用射频磁控溅射技术利用循环间歇溅射工艺,在Pt/Ti/SiO2/Si基片上制备出了镧钛酸铅(PLT)薄膜。