According to the actual situation of Taiyuan Public Works Section, the paper analyses the causes of rail joints disease and puts forwards effective regulation measures.

结合太原工务段管内实际情况，分析了钢轨接头病害的成因，提出了有效的针对性整治措施。

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Enacted in 1994, Section 514 restores copyrights in foreign works previously in the public domain for failure to comply with formalities, lack of subject matter protection or lack of national eligibility, according to the opinion.

FORBES: 10th Circuit Brings Foreign Copyrights Back From The Dead