It serves not only as a geographicboundary but also as pre-tertiary en-echelon drapes and a Cenozoic tectonic conversion zone controlled by the basement fault zone.
该带不仅是一个地理界线，而且是一个由基底断裂带控制的前第三系雁列褶皱带和第三系构造转换带。
2
Due to complex geographic environments, international maritime boundary delimitation has to involve many problems, including both legal and technical problems.