例句與造句

1. In the fourth chapter we deal with the eigenspace ( see 4 . 1 ) and singular space ( see 4 . 2 ) perturbations
   第四章討論了特征空間(見4 1 )和奇異空間(見4 2 ]的擾動。
2. It's difficult to find singular space in a sentence. 用singular space造句挺難的