Parkman says: 'Before them a wide and rapid current coursed athwart their way, by the foot of lofty heights wrapped thick in forests.
马奎特说：“在高耸入云的、森林茂密的群山脚下有一条河面宽阔、水流湍急的大河迎面横挡在去路上。”
We advance a way to explore extra dimensions by calculating the change in hydrogen Lamb shift coursed by two extra dimensions, which gives theoretical basises for future experiments.
在玻尔理论基础上 ，以氢原子能级和氢原子光谱为主线 ，探讨了狄拉克理论、兰姆移位、氢原子光谱的超精细结构理论对氢原子理论的修正。
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