世界最准确的时钟澳大利亚科研人员进一步发挥蓝宝石的迷人魔力，利用它制造成世界上最准确的时钟。蓝宝石钟的准确程度，几乎达到一百万亿分之一秒，比原子钟准确十倍，比石英钟准确一百倍以上。据科研组主管伯拉尔教授说，它最大的用途是应用在雷达侦察、计算太空飞行工... The World’s Most Accurate Clock Australian researchers further tap the fascinating power of sapphires to create the most accurate clock in the world. The accuracy of the sapphire clock, almost reached one hundred trillionth of a second, accurate than the atomic clock ten times more accurate than the quartz clock more than 100 times. According to Professor Burr, head of research group, it is the largest use of radar reconnaissance applications, the calculation of space flight workers ...