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- The two systems of government are polar opposites. 这两种政体正好相反。
- The polar line of a point with respect to a conic. 一点相对于一条二次曲线的极线。
- Most insect do not live in polar region. 大多数的昆虫不在极地地区生存。
- conic polar 极二次曲线
- Are there any animals in the polar circles? 南极圈和北极圈内有动物存在吗？
- 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
- 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。
- The polar region is the habitat of the polar bear. 北极地带为北极熊的栖息地。
- The circular points are really a degenerate conic. 虚圆点实际上是一退化的二次曲线。
- A family of parallel lines cut the conic. 有一组平行线与圆锥曲线相交。
- Although they can swim, the polar bears are terrestrial animals. 北极熊虽然会游泳，但也是陆栖动物。
- In spite of vigilance a polar bear escaped from the zoo. 尽管警戒很严，北极熊还是逃出了动物园。
- A ratio describing the shape of a conic section. 描述圆锥曲线部分形状的比率。
- The polar bear's habitat is the icy waters of the Arctic. 北极熊的栖息地是冰冷的北极海域。
- The conic is represented by implicit equation. 曲线不是用通常的二曲线方程来表示 ;而是用一种带参数的函数样条来表示 .
- Love and hatred are polar feelings. 爱与恨是完全相反的感情。
- Conic sections and quadric surfaces. 二次曲线与二次曲面。
- Master, Universal Conic Warp Preparation Finished. 主人,二次元曲线扭曲宇宙通道准备完毕。
- Extending across or crossing either of the Polar Regions. 横越极地任一个横越或穿过两个极地地区中的
- Stylopodium conic;styles short, erect or reflexed. 花柱基圆锥形花柱短，竖立或反折。
