30. Once again invites the International Hydrographic Organization, in cooperation with other relevant international organizations and interested Member States, to provide the necessary assistance to States, in particular to developing countries, in order to enhance hydrographic capability to ensure, in particular, the safety of navigation and the protection of the marine environment;
30. 再次请国际水文学组织在其他相关国际组织及有关会员国的合作下，向各国，特别是发展中国家提供必要的协助，以便提高水文学能力，强调确保航行安全与海洋环境保护；