currentStep = currentStep.next(recordedEvent.result);
В Финляндии предупредили об опасном шаге ЕС против России09:28
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* 时间O(n) 空间O(n)（理论最优，无冗余计算/存储）
If robots are to become more sophisticated, they will have to have more efficient, more precise and more intelligent actuators.