您要查找的是不是：
- conjugate diametral planes of a quadric 二次曲面的共轭径面
- conjugate diametral planes 共轭径面
- The plane climbed until it was clear of the clouds. 飞机爬升穿出了云层。
- The flier is flying a new-type jet plane on trial. 飞行员正在驾驶一架新式喷气机作试验飞行。
- The planes formed up over the airfield. 飞机在机场上空排成队列。
- The radar scanned the sky for enemy planes. 雷达密切监视天空，搜索敌机。
- The landscape unrolled under the speeding plane. 大自然的景色展现在快速飞行的飞机之下。
- Our fighter planes are all armed with cannon. 我们的战斗机都装备了机关炮。
- Mary would rather travel by train than by plane. 玛丽宁可乘火车而不愿乘飞机旅行。
- The plane stop over in Lyons on the way to Paris. 这架去巴黎的飞机在里昂中途停留。
- Are you going to America by boat or by plane? 你到美国是坐船还是坐飞机？
- The four planes each made two sorties yesterday. 那四架飞机昨天各出动两次。
- The plane taxied along the tarmac. 飞机沿跑道滑行。
- All the planes were socked in yesterday because of the thick mist. 由于雾大，昨天所有的飞机都停飞了。
- Two planes were reported (as) missing. 据报有两架飞机失踪。
- At the news of the plane crash she turned pale. 听到飞机失事的消息她的脸都吓白了。
- John is repairing his model plane at his leisure. 约翰不慌不忙地修理着他的航模。
- The plane homed in on the radio beacon. 飞机遵循导航台信号降落。
- A plane is gone to order from France. 从法国去订购一架飞机。
- You'll have to change planes at Seattle. 你得在西雅图换乘另一架飞机。
