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判断题
The parties involved in transnational trade and commercial activities may choose the domestic law of a country as the governing law.( )
The parties involved in transnational trade and commercial activities may choose the domestic law of a country as the governing law.( )
正确
错误
答案：
正确
在质量块静平衡位置处，则系统的振动方程为
，其中
。当坐标原点取在弹簧原长的位置时，则在新的振动微分方程中，下列哪项会发生改变？
