Freebord六轮滑板具备了滑雪单板所能提供的全部乐趣（包括刻滑、漂移、旋转等姿势），同时又为您免去了滑雪会遇到的麻烦事（比如：上坡道时大排长龙、无数双板滑雪者干扰行进路线以及昂贵的费用等）。
This six-wheeler offers all the fun of snowboarding (carving, drifting, spinning) without the negatives (lift lines, skiers, wasting half your paycheck).
在定向井及丛式井的转盘钻进中，旋转钻柱会产生方位漂移。
The rotary drill stem will engender direction drift in rotary drilling of directional well and cluster well.
推导了硅微机械振动轮陀螺仪的动力学方程，给出了它的运动规律，分析了载体绕空间任意轴匀速旋转时干扰力矩所引起的漂移率。
This paper gives the dynamic equations of vibratory wheel silicon micromechanical gyroscope and their motion law, analyses drifts of the gyroscope, when vehicle rotates around any axis uniformly.
推导了硅微机械振动轮陀螺仪的动力学方程，给出了它的运动规律，分析了载体绕空间任意轴匀速旋转时干扰力矩所引起的漂移率。
This paper gives the dynamic equations of vibratory wheel silicon micromechanical gyroscope and their motion law, analyses drifts of the gyroscope, when vehicle rotates around any axis uniformly.
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