单词north-polar-region
网络: 北极区；北极地带
In June 2006, the vortex appeared hourglass-shaped, closely matching observations in the north polar region by Pioneer Venus.
2006年6月，这个漩涡呈现出沙漏的形状，和在金星北极“金星先锋”观察到的情况很像。
Sea levels are rising and the loss of ice coverage in the North Polar region continues to increase annually.
北极区域的海平面上升以及冰山的减少每年持续。
Dust devil tracks and wind streaks in the North Polar Region of Mars: A study of the 2007 Phoenix Mars Lander Sites
火星北极地区沙暴轨迹和风拖影：2007年菲尼克斯火星出轨地点的研究