国际法总是随着国际社会的演进而发展的。国际社会不同历史阶段的诸多矛盾,往往均以一定的形式反映在国际法的发展过程中,致使不同时期的国际法打上了深刻的时代烙印。第二次世界大战以来,日益相互依存的各国之间,在新的形势下,已呈现出从竞争转向合作,并且由此产生了较以往任何时期更为复杂的各种国际法问题。研究这些问题及其解决办法,已非某一个人、某一团体、甚或某一国家所能独自完成,而需要广泛密切的合作和交流。就国际法研究而言,早在五十年代初期,合作研究在西方已蔚然成风,近年来更有日益 International law has always evolved with the evolution of the international community. Many contradictions in different historical stages of the international community are often reflected in certain forms in the course of the development of international law, resulting in a profound imprint of the times on international law of different periods. Since the Second World War, the increasingly interdependent countries, under new circumstances, have shown a shift from competition to cooperation and have thus created various issues of international law more complicated than ever before. Studying these problems and their solutions has already been completed by one individual, one group or even one country on its own, and requires extensive and close cooperation and exchange. As far as the study of international law is concerned, as early as the early 1950s, cooperative research became commonplace in the West and more and more in recent years