平行进行用来描述两声部的平行运动。
Parallel motion describes the movement of two parts in parallel.
观察眼睛平行运动、上眼睑与虹膜对比位置和眼震。
Observe parallel eye movement, position of upper lid in relation to iris, and presence of nystagmus.
观察眼睛平行运动、上眼睑与虹膜对比位置和眼震。
E. Observe parallel eye movement, position of upper lid in relation to iris, and presence of nystagmus.
给出了解决刚体平面平行运动问题的一组完整方程，讨论了力系简化在质心平面内的条件。
A integrated equation set for solving plane parallel motion of rigid body was derived, and the conditions of system of forces simplified on the center of mass plane was discussed.
工作原理principle：推动手柄沿滑轨运动，滑块带动切刀做平行运动切取试样。
Push the handle movement along the rails, the slider driven cutter to do the sample cut parallel to the movement.
如果滑雪者可以遍历两小脚趾的上坡和大脚趾的下坡滑雪边缘一侧的边缘一侧的斜坡，他们可以滑雪平行运动。
If skiers can traverse a slope on both the little toe edge side of the uphill and the big toe edge side of the downhill ski; they can ski with parallel movements.
如果滑雪者可以遍历两小脚趾的上坡和大脚趾的下坡滑雪边缘一侧的边缘一侧的斜坡，他们可以滑雪平行运动。
If skiers can traverse a slope on both the little toe edge side of the uphill and the big toe edge side of the downhill ski; they can ski with parallel movements.
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