Quantummechanics is a highly successful theory: it supplies methods for accurately calculating the results of diverse experiments, especially with minute particles.
量子力学是一种非常成功的理论：它提供了精确计算各种实验结果的方法，特别适用于微小粒子方面。
2
It does happen in quantummechanics.
它确实发生在量子力学中。
3
He set up in that way an alternative form of quantummechanics.