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绘制通过北极结冰的水面的航线图是一项困难而危险的使命。靠锐利的眼睛警戒和海上雷达导航的船只穿行于四周的冰山和附近的浮冰之中，当危险出现时人们还不能察觉，直到目前还是如此。现在，用卫星制图系统每周一次标出数千平方干米大小海域内的小到１００米直径的浮冰位置的?
Drawing a route map of icy waters passing through the Arctic is a difficult and dangerous mission. Vessels navigating with sharp eye warnings and maritime radar navigate through the icebergs and nearby ice floes, and people are still not aware of the dangers until now. Now, with satellite mapping system once a week to mark thousands of square meters of dry sea size as small as 100 meters in diameter ice floe location?