因此当瑞士研究人员在1986年宣布发现了一种可以在比前纪录保持者高一倍的温度下实现超导的铜氧化物时，全世界都为之一振。
Thus, Swiss researchers caused excitement in 1986 by announcing the discovery of superconductivity in an oxide of copper at twice the temperature of the previous record holder.