This measures how much it costs to move a ton - one nautical mile.

这项措施需要多少成本动议一吨 - 一海里.

The fresh water from the berg creates a pool of fresh water that can extend a nautical mile away from the iceberg.

从冰山上流下的淡水会汇聚成一片淡水，延伸到冰山周边一海里。