human operator

基本解释

Indeed, if the program really cannot make up its mind whether two shreds match or not, it refers the matter to a human operator.
的确，如果程序在决定两个碎片是否匹配时不能下定决心，就只能把事情交给人类了。
Raw traffic data and identification information is reportedly deleted in the closed system and cannot be accessed by a human operator.
原始流量数据和认证信息会在封闭系统中删除，工作人员无法访问。
Others, like the UBot, are semi-autonomous, meaning they perform some acts, such as balancing, on their own, while other tasks, like steering, are left to a human operator.
另外一些机器人（如UBot）则是半自主行动的，也就是说它们的某些行动（如保持平衡）是其自主行为，而其他任务（如转向）是由人类操作者所控制。

At this point a human operator decides whether the unusual behaviour detected is permissible.
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It was, of course, a trick—a hidden human operator controlled the automaton's movements—but some observers equated its chess prowess with intelligence.
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Quite the opposite — without continuous links to a human operator, most drones would be unable to accomplish their missions and eventually crash.
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