We always reject zero as an eigenfunction on the ground of physics.根据物理上的理由,我们总是剔除把零作为本征函数.The stable field problem is discussed in rectangle area with method , which are eigenfunction and superpositionle.文章结合叠加原理,应用本征函数...
...newlyweds wishing to enlarge snaps of their big day.希望把他们大喜之日的照片放大的新婚夫妻None of her snaps came out.她的快照一张都没有洗出来。As the fish snaps at the bait, it gets caught on the hook.鱼咬饵时, 就被钓在钩上.The cloth flower snaps on with a sp...