extending pulse造句

for attaining practical opo, enhancing conversion efficiency, extending pulse tuning scope and opo apparatus miniature have been hot focus
为了使opo实用化,提高opo转换效率、扩展波长调谐范围、使之小型紧凑一直是研究的热点。
It's difficult to find extending pulse in a sentence. 用extending pulse造句挺难的