目的：探讨手臂振动对血管内皮活性物质的影响及其意义。
Objective To study the effects of hand-arm vibration on the releasing of vascular endothelial substances.
结论砂轮磨光作业手臂振动职业危害仍较严重，应采取防护措施。
Conclusion The hazards of hand arm vibration in pestal grinding workers seemed to be rather serious, and its protective measures should not be ignored.
结论MR I可以早期显示手臂振动病的骨关节改变，明显早于X射线；
Conclusion MRI can display bone and joint diseases of vibration much earlier than X-ray does.
提示手臂振动导致植物神经功能紊乱可能是作业工人外周循环功能异常的原因。
It suggested that the disorder of autonomic nervous function might be related to the dysfunction of peripheral circulation induced by HTV.
研究手臂振动暴露水平与健康危害程度的关系，为铁矿振动危险度评价提供流行病学资料；
Study the correlation of hand-transmitted vibration and it's hazards, provide epidemiology evidence for risk evaluation of vibration;
因为手臂的振动降低了手臂到达终点的定位精度，并延长了定位到终点的时间。
The arm vibration reduces the accuracy when the arm approaches the desired end position and increases its maneuver time.
因为手臂的振动降低了手臂到达终点的定位精度，并延长了定位到终点的时间。
The arm vibration reduces the accuracy when the arm approaches the desired end position and increases its maneuver time.
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