靠氨分子运行的原子钟可用来检查基于爱因斯坦相对论的预算精确度。根据相对论理论，运动的钟和静止的钟应存在计时上的差别。
An atomic clock that operates with an ammonia molecule may be used to check the accuracy of predictions based on einstein 's relativity theories , according to which a clock in motion and a clock at rest should keep time differently .
钟可