Analyzed the character of electromagnetic compatibility based on the situation of coal mine in China. Key questions and research methods of electromagnetic compatibility were presented.
针对我国煤矿特点，分析了煤矿井下电磁环境的特殊性，提出了煤矿井下电磁兼容性关键问题及研究方法。
The compatibility demand and the interconnection problem which are brought by the externalities character of the network industry are the focus of network industry research.
网络产业的外部性特征所带来的兼容性要求，以及由此导致的互联互通问题是研究网络产业关注的焦点。
The compatibility of protection of chattel on character and content will determine the feasibility of couple protection of chattel on one content.
动产担保物权在性质、内容上的相容性，决定了在同一物上设定数个动产担保物权的可能性；
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