The golden eagle is now on the endangered species list.金雕已被例入濒危物种.A good surgeon must have an eagle's eye, a lion's heart, and a lady's hand.出色的外科医生必须心明眼亮和有一双灵巧的手。There's a picture of the bald eagle o...
最后讨论了时谐性和电容率对电位分布的影响.The effects about potential distribution by time - harmonic character and permittivity a.用铽改性SBN晶体能有效地改善晶体的性质.实验测量了铽改性Sr0.61Ba0.39Nb2O6晶体的电容率和热电系数.The dielectric permittivity and pyroelectric coeffic...