Earlier this year the country's Defence Advanced Research Projects Agency announced plans to pay Boeing to investigate for mation flight, though the programme has yet to begin.
今年早些时候，美国国防部高级研究计划局宣布出资让波音公司研究编队飞行的计划，但项目到现在还没启动。
A direct control method based on actuators' length function was presented, which may ensure high precision and high speed of hand control mation of parallel machine tools.
提出了对驱动轴按函数规律直接控制的方法，以保证并联机床手控运动的高速高精度。
A direct control method based on actuators' length function was presented, which may ensure high precision and high speed of hand control mation of parallel machine tools.
提出了对驱动轴按函数规律直接控制的方法，以保证并联机床手控运动的高速高精度。
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