最大的绊脚石是，文中的世界观早就过时，这只会让熟悉相对论性物理学的读者困惑不解。
The greatest hindrance is that they are written from an obsolete world view, which can only confuse the reader steeped in relativistic physics.
同时物理也是形成科学世界观的基础，并有助于形成良好的科学态度和工作作风。
At the same time, physics is also the basis of forming scientific world outlook and helps to develop good scientific attitudes and work style.
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