如果特定的关键区域的皮质——例如：布洛卡区——被中风或肿瘤破坏了，病人将可能无法恢复以前由无声的电路进行的功能。
If certain critical areas of the cortex-broca's area, for instance-are destroyed by stroke or tumor, the patient will probably never recover the function once performed by the now silent circuits.
本标准规定了紧急下降开关降低病人在一只手的控制器或控制电路板故障事件的能力。
The standard emergency lowering switch provides for patient lowering capabilities in the event of a hand controller or control board malfunction.
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