例句與造句

1. Applying an exact modal propagation analysis method and self - imaging theory , i analyzed the principle of mmi coupler . then , the self - imaging effect in graded - index waveguide has been analyzed and simulated using three - dimensional bpm . considering normal technology error , a low loss y - branch structure ( symmetric or asymmetric ) with a multimode waveguide transition section is introduced and designed
   在設(shè)計(jì)y分支波導(dǎo)結(jié)構(gòu)時(shí)，考慮常規(guī)工藝誤差的影響，引入多模波導(dǎo)作為y分支波導(dǎo)結(jié)構(gòu)的過(guò)渡區(qū)，利用參數(shù)空間搜索法來(lái)設(shè)計(jì)結(jié)構(gòu)參數(shù)，實(shí)現(xiàn)低損耗的y分支結(jié)構(gòu)。
2. It's difficult to find multimode waveguide in a sentence. 用multimode waveguide造句挺難的