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- In order to calculate the satellite orbit in GPS data process,it is more efficient to use polynomial methods to fit the orbit curve with the parameters of GPS broadcast ephemeris. 利用多项式拟合的方法计算GPS卫星在轨坐标时,使用正交多项式可有效避免计算过程中出现的病态矩阵。
- The spacecraft is in orbit around the moon. 该航天器在绕月球轨道运行。
- The angle of skew curve and orbital curve equation 曲线的交角及轨线方程
- The space shuttle will orbit a weather satellite. 太空梭将把一个气象卫星送入运行轨道。
- The launch vehicle lifts the satellite into orbit. 太空火箭将人造卫星送入运行轨道。
- The falling star described a long curve in the sky. 流星在空中画出了一道长长的弧线。
- By describing orbit curves with abundant forms with the basic orbits such as line, arc, cusp and "8" form, identification of orbit characteristics can be well solved and fundamental characteristic parameters of key orbit segments can be determined. 通过直线、圆弧、尖点、"8"字形等基本轨迹特征描述形状丰富的轨迹曲线，不仅较好地解决了轨迹特征识别问题，同时可以确定关键轨迹段的基本特征参数。
- Something of circular form; a circle or an orbit. 圆形物体圆形物体; 圆圈或环形轨道
- A line segment that joins two points on a curve. 弦将两点用曲线连接起来的曲线段
- His spine developed a slight curve. 他的脊柱有点弯曲。
- The spacecraft is in orbit (ie moving in orbit) round the moon. 该航天器在绕月球轨道上飞行。
- The coast sweeps (away) northwards in a wide curve. 海岸呈一大弧形向北伸展。
- Marketing does not come within the orbit of his department. 市场推销业务不归他这一部门管。
- A bend or curve, especially in a shoreline. 弯曲，弓形弯曲或弓形，尤指海岸线
- A wicked curve ball; a wicked imitation. 漂亮的曲球; 惟妙惟肖的模仿
- The satellite was launched into orbit around the moon. 卫星被发射进入绕月球运行的轨道。
- The two spacecraft will link up (with each other) in orbit. 两艘宇宙飞船将於轨道上(互相)连接。
- By now, putting satellites in orbit is old hat to space scientists. 现在，对航天科学家来说，把卫星送入轨道已不是一桩新鲜事了。
- We sent an unmanned rocket into earth orbit. 我们把一个无人驾驶的火箭送入了地球的轨道里。
- An optimist is a girl who mistakes a bulge for a curve. 乐观的人，等于是把(自己身体上)凸出来的部分也错认作曲线的女孩子。
