印度洋的国际法律制度是以现行的国际海洋法原则和规则为基础制定的。但沿海水域的法律地位归根结底是由沿岸国的国内法规决定的。印度洋沿岸国家主要或法律支配之下的海域和海底的空间界限、法律制度特点是: (1)领海使用低潮线和直线基线是测算领海宽度的一般方法,但有些印度洋国家如孟加拉国、南非和沙特阿拉伯在这一问题上不遵循海洋法公约的规则。沙特阿拉伯不 The Indian Ocean’s international legal system is based on the existing principles and rules of international law of the sea. However, the legal status of coastal waters is, in the final analysis, determined by the domestic laws and regulations of coastal States. (1) The use of low-tide and straight-line baselines in the territorial sea is a common method of measuring the breadth of the territorial sea, but some Indian Ocean countries such as Bangladesh, South Africa and South Africa Saudi Arabia does not follow the rules of UNCLOS on this issue. Saudi Arabia does not