Secondly, we discuss the complexity any algorithm solving RHC presents by counting the moving times of the tape head on turning machine.

在此基础上，通过分析通用图灵机带头移动的次数，讨论了通用图灵机上任一求解RHC的算法的复杂性。

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Where Sir Howard mastered this complexity with apparent bureaucratic ease, Mr McCarthy may instead start to cut through the red tape.

ECONOMIST: Sir Howard Davies is a hard act for Callum McCarthy to follow