海上安全信息

海上安全信息船舶是否能够接受？

MSI messages received by ship ?

海上安全信息播发新方案

A New Scheme for Promulgation of Maritime Safety Information

就AIS网络安全性方面给予了非常大的关注，简要介绍了AIS在构建海上安全信息系统的作用。

More attentions on network security , and briefly presents AIS 's applications on the system of marine safety information .

现有的奈伏泰斯系统只能播发英文的海上安全信息。

NAVTEX ( Navigation Telex ) system can only broadcast maritime security information at present .

根据本国的需要，也可以使用490kHz的频率广播本国语言的海上安全信息。

If it is necessary , it may also use the frequency of 490 kHz to do in the local language .

在北太平洋和中国近海海域的若干条重要航线上，对海雾频率的时空变化进行了分析，为海上航运提供安全保障信息。

In addition , several important routes are defined over North Pacific ocean and coastal waters of China .