Sea ice also increased the occurrence of oil spill of iceregion. And ince oil spill prevention is much more difficult.
海冰灾害同样加大了发生冰区溢油事故的可能，而冰区溢油的防治比开阔海域溢油的防治更加困难。
2
With the global exploitation to the ocean and frequent sea ice disaster, the whole world has paid attention to oil spill of iceregion.
随着对海洋全球性地开发以及近年来频繁的海冰灾害，冰区溢油的防治已经引起了全球的关注。
3
Satellite observations and submarine surveys over the past few years had shown less ice in the polar region, but the recent measurements show the loss is more pronounced than previously thought.