1. This far-reaching assumption about the invariance of physical laws is a foundation stone of the theory of relativity. �����������ɲ����Ե���һӰ����Զ�ļ��裬������۵�һ����ʯ��
2. The requirement for mass and charge renormalizations in QED is a signal that Lorentz invariance is not quite holding up. ��������ѧ��������Ե�ɺ����������������������Ȳ�����������һ�������ġ�
3. According stride borough mechanical harvest practice, the author summarizes basic experiences as invariance, core, sincerity, chariness and take pains. ��������ͨ������Ŀ�������ʵ�����ܽ�������ġ����ġ����ġ�ϸ�ġ����ġ��������顣
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n.
1. the quality of being resistant to variation
2. the nature of a quantity or property or function that remains unchanged when a given transformation