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- Polar Ionospheric Control 极性电离层信标卫星
- The two systems of government are polar opposites. 这两种政体正好相反。
- Most insect do not live in polar region. 大多数的昆虫不在极地地区生存。
- polar ionosphere beacon satellite 极性电离层信标卫星
- Industry rarely thrives under government control. 在政府控制之下工业很少会发达。
- Those rebellious teenagers are hard to control. 那些反叛的青少年很难管教。
- Are there any animals in the polar circles? 南极圈和北极圈内有动物存在吗？
- Pollution control has cleared the air. 污染管制已净化了空气。
- An ASCII control character, end of medium. 一种ASCII码控制字符，媒体结束符。
- Polar Ionospheric Beacon 极性电离层信标
- The firemen were unable to control the blaze. 消防队员无法控制这场大火。
- Signals control each section of the railway track. 各种信号控制着铁路轨道的每个部分。
- Inflation has got out of control. 通货膨胀失去了控制。
- Located or found in one of the Polar Regions. 环极的，围绕极地的位于或发现于一个极地区域中的
- The lorry ran down the hill out of control. 卡车失去控制直往山下冲去。
- The model plane got out of control and crashed. 模型飞机失控坠落下来。
- In spite of vigilance a polar bear escape from the zoo. 尽管警戒很严，北极熊还是逃出了动物园。
- He has little control over his emotions. 他控制不住自己的感情。
- I lost control of myself and hit him. 我控制不住自己，打了他。
- The Influence of Upper Boundary Conditions on the Polar Ionosphere 不同上边界条件下的极区电离层数值模拟
