Land owners or users shall play a supporting role in surveys and shall supply the relevant information.
地盘所有者或者使用者该当配合调查，并供给关于资料。
Exact and timely control of navigation-supporting information by its users concerns safety of life and national property at sea.
航海用户对助航信息的正确、及时地掌握，关系到海上人命与国家财产的安全。
Exact and timely control of navigation-supporting information by its users concerns safety of life and national property at sea.
航海用户对助航信息的正确、及时地掌握，关系到海上人命与国家财产的安全。
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