例句與造句

1. but an alternative simpler method is through the proton exchange ( pe ) process at lower temperature . pe waveguides exhibit larger increment of the index and lower waveguide loss than ti indiffusion waveguides . however, pe waveguide devices have n't been fully mature
   質(zhì)子交換與傳統(tǒng)的鈦擴(kuò)散工藝相比制作十分簡(jiǎn)單，制備的波導(dǎo)具有較高的折射率增量、較小的波導(dǎo)損耗、較強(qiáng)的抗光折變能力，不但能大大降低成本而且還可以提高性能，但是質(zhì)子交換波導(dǎo)器件目前尚未成熟。
2. It's difficult to find waveguide loss in a sentence. 用waveguide loss造句挺難的