The international lawful origins of the safeguard measures are the article xix in 《 gatt 1994 》 and the agreement on safeguards , while the domestic origin differs from each other , the lawful base is the rebus sic standibus of international agreement law 保障措施的国际法渊源是《 gatf1994 》第19条及wto 《保障措施协议》 ，而国内法渊源各国不同；其法理基础是国际条约法上的情势变迁原则。
To avoid confusion over the applicable law in the civil compensation for oil pollution damage from ships , the relevant domestic laws and the international convention on civil liability for oil pollution damage are analyzed 摘要针对目前我国船舶油污民事赔偿责任法律体系中法律适用较混乱的情况，在分析我国现行几部调整船舶油污民事法律关系的法律及《国际油污损害民事赔偿责任公约》之后，从国际条约法和国际私法角度阐述法律的适用问题。
Chapter i expounds the fundamental theory on the interpretation of treaties , including the definition and classification of the interpretation of treaties , the main doctrines on the interpretation of treaties in international law academic , presents and comments on the relevant provisions regarding the interpretation of treaties of vienna convention on the law of treaties ( 1969 ) , analyzes the special significance of the issue of the treaties " interpretation in the wto system , elucidates the system of the interpretation of the wto agreements and analyzes the interrelation between the legislative interpretation and judicial interpretation 本文主文分四章：第一章阐述了关于国际条约解释的基本理论，包括条约解释的概念、分类，国际法学界关于条约解释的主要学说、学派，对1969年《维也纳条约法公约》关于条约解释的规定作出述评，分析了条约解释问题在wto体制中的特殊重要性，阐述了wto的条约解释体制，分析了wto立法解释和司法解释之间的相互关系。
