双北
- 网络Iohexol
双北-
双北和典比乐对犬脊髓造影效果及延时效应的比较研究
Comparison on the Effect of Myelography with Iohexol and Iopamidol
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本方案采用双位置寻北计算法，经过两次对准，解算出方位角，且对方位及水平两轴同时进行陀螺漂移的解算及补偿，从而进一步提高了寻北精度。
Double position calculation is adopted in this method , and by alignment at two sites the azimuth angle can be figured out . Also the orientation and the horizontal shifts of the gyro are simultaneously measured and compensated so as to improve the accuracy of north seeking .