例句與造句

1. We have developed the theory of boundary shielding approximation of electric polarization , from which the values of spontaneous polarization of some typical ferroelectric materials can be derived . the shielded charges in ferroelectricity are in the state of surface bound polaron - dipole whose creation and annihilation must span a potential barrier . by introducing statistical method , four types of typical electric hysteresis loops of some common crystals and ceramics have been given , which are well consistent with the experimental results
   利用電極化的邊界屏蔽近似，可計算出一些典型鐵電單晶的自發(fā)極化強度.鐵電屏蔽電荷處于表面束縛極化子偶狀態(tài),其產(chǎn)生和湮沒要跨越位壘.由統(tǒng)計方法給出的一些常見晶體和陶瓷的四種典型電滯回線形狀，和實驗觀察到的結(jié)果一致
2. It's difficult to find surface binding in a sentence. 用surface binding造句挺難的