存在證明英文

proof of existence

• 存在:    exist; be
• 證明:    prove; testify; bear out

例句與用法

1. There wouldn ' t be beauty unless ugliness exists to prove otherwise
   美麗本不存在，是丑惡的存在證明了美麗的存在。
2. Rico may be living proof that dog truly understand human language , german scientists reported on thursday
   德國科學家周四表示，里科的存在證明，狗確實有一定的語言理解能力。
3. This thesis tries to modify the perfect set of waveguide mode theory and gives several examples of its application . firstly , from the functional analysis , the eigenfunction series of vectorial partial differential operator is studied . the property of complete space is gotten
   本文首先從泛函分析的方法出發，研究了矢量偏微分算子本征函數系的性質，得到了矢量偏微分算子正交完備歸一化本征函數的存在證明，研究了maxwell方程組的情況，證明了電磁場在均勻和非均勻介質條件下的正交本征函數系的完備性質。