Reeve did not live long enough to see whether stem cell research could help restore movement to the paralyzed.
里夫的英年早逝使他无法看到干细胞研究是否能帮助瘫痪者恢复运动。
A slight curving or circular movement in a stem, as of a twining plant, caused by irregular growth rates of different parts.
转头运动植物茎的轻微弯曲或扭转的生长，象双生树那样，由不同部分的不规则生长速度引起。
Botany a slight curving or circular movement in a stem, as of a twining plant, caused by irregular growth rates of different parts.
转头运动：植物茎的轻微弯曲或扭转的生长，象双生树那样，由不同部分的不规则生长速度引起。
The device by the human operator launches, such as through the cone-shaped gear reducer drive, direct drive valve stem up and down movement of the valve gate.
本装置由人力操作手轮，通过锥形齿轮等减速传动，直接驱动阀门阀杆上下移动，启闭阀门。
This invention discloses a sewing machine having stem to be driven to perform longitudinal movement; wherein the stem can be fixed with sewing needle for guiding threads.
本发明涉及一种缝纫机，该缝纫机具有可驱动以上下运动的针杆，该针杆上可固定缝纫针以用于引导针线。
When the hand wheel rotation, through the stem-driven plunger in the middle from top to bottom hole reciprocating movement to complete the valves open and close function.
当手轮旋转，通过阀杆带动柱塞在孔架中间上下往复运动来完成阀门的开启与关闭功能。
When the hand wheel rotation, through the stem-driven plunger in the middle from KER to bottom hole reciprocating movement to complete the valves open and close function.
当手轮旋转，通过阀杆带动柱塞在孔架中间上下往复运动来完成阀门的开启与关闭功能。
When the hand wheel rotation, through the stem-driven plunger in the middle from KER to bottom hole reciprocating movement to complete the valves open and close function.
当手轮旋转，通过阀杆带动柱塞在孔架中间上下往复运动来完成阀门的开启与关闭功能。
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