A new north seeking method named Three Points Orthogonal Sampling is introduced to input the gyro with the cosine component of the Earth's horizontal spin velocity.
针对部分地区无法同时观测到“北斗一号”系统两颗工作卫星信号的情况,提出了仅利用一颗地球静止卫星实现快速寻北的思路。
The jet wake vortices occurring in the lee side of the jet show an evident three dimensional movement including the spin and stretch in the horizontal plane as well as the torsion in the vertical plane.
背流面射流尾迹涡不仅有水平面内的旋转和拉伸变形,还存在垂直平面内的扭转,表现出明显的三维流动形态。
And as long as I torque it like this, that spin angular momentum wants to go around in the horizontal plane.
只要我这样使力,旋转的角动量就是想要,水平的转动。
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