北印度洋气候对冬夏季航线选择的影响
Impact of climate over North Indian Ocean on the route choice in winter and summer
随着全球气候变暖，北极航线开通，在巨大经济利益的驱使下，冰区船舶的发展非常迅速。
Driven by the huge economic benefits , the ice ship is developing very fast .
气候航线气候航线气候航线