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y分支波導(dǎo)結(jié)構(gòu)時，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)的過渡區(qū)，利用參數(shù)空間搜索法來設(shè)計結(jié)構(gòu)參數(shù)，實現(xiàn)低損耗的y分支結(jié)構(gòu)。
2. It's difficult to find multimode waveguides in a sentence. 用multimode waveguides造句挺難的