航天飞机把美国宇航员送入低轨道，绕了一圈又一圈，无法摆脱其遥不可测的归宿。
The shuttles consigned American astronauts to low orbits, going round and round, unable to strike out to distant destinations.
本文用微分几何理论推导出纤维缠绕复合材料压力容器的非测地线缠绕轨迹、包角方程及绕丝头运动方程。
Non geodesic trajectory mandrel rotation and payout eye motion equations for fiber reinforced composite pressure vessels are derivated by theory of differential geometry.
提出一种用恒流源测低电阻的方法，并通过对康铜线绕低电阻进行实际测量。
This paper presents a determining method on low-resistance by using a constant current source.
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