Objective To study the effects of hand-arm vibration on the releasing of vascular endothelial substances.

目的：探讨手臂振动对血管内皮活性物质的影响及其意义。

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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。

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Objective to study the early indicator of hand arm vibration damage and avoid irreversible changes of hand arm vibration disease.

目的探讨手传振动对接触者早期职业损害的指标，避免发生手传振动导致的不可逆改变。

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Sony, which manufactures the top-selling Playstation games, said it had never received any feedback or complaints about hand-arm vibration syndrome after 61 million sales world-wide of Playstations I and II.

BBC: Vibrating games health warning

It is not clear whether the boy with hand-arm vibration syndrome has suffered any permanent damage or if his condition will ease in time, but doctors are monitoring his progress.

BBC: Vibrating games health warning