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Blurring from hand and arm movement is the most common, because keeping these limbs perfectly still for more than a few seconds is difficult.

手和手臂的移动带来的模糊最为常见，因为要好几秒钟保持这些躯体静止是很困难的。

youdao

The most common symptom of a stroke is sudden weakness of the face, arm, or leg, most often on one side of the body.

中风的最常见症状通常是身体一侧的脸部、手臂或腿部突然感到无力。

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Luminary bases all of its chips on a common blueprint from ARM Holdings, a Cambridge, England designer of digital architecture.

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Other common symptoms include arm, neck, jaw, back or upper stomach discomfort, dizziness, change in heart rhythm and sudden cold sweats.

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Upper body fractures were more common in older adults while arm, shoulder and hand fractures were more likely in those that were younger.

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