The routing system which aimed at reducing the risk of casualties is called as（）.<br>A:traffic separation schemes<br>B:recommended tracks<br>C:precautionary areas<br>D:inshore traffic zones

The routing system which aimed at reducing the risk of casualties is called as（）.
A:traffic separation schemes
B:recommended tracks
C:precautionary areas
D:inshore traffic zones

出自：海船船员证

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