If the control system specifies an act that changes the environment, the sensors can validate this change, feeding back the new state of the environment to the control system.

如果控制系统指定了一个改变环境的操作，那么传感器就可以验证发生了这种变化，并将环境的新状态反馈给控制系统。

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Insufficient control over your change history can lead to issues such as lack of information to which the state can revert to, once a "bad" change needs to be rolled back.

如果对更改历史的控制不充分，就会导致各种问题，比如当需要回滚“不适当的”更改时，就不能确定应该恢复到哪种状态。

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On December 7th the Committee on Climate Change (CCC), which polices Britain’s 2050 commitment, published a report saying explicitly that there needed to be much greater state involvement and control.

监督英国做出2050年承诺的气候变化委员会（CCC）在12月7日发表了一份报告，明确指出该领域需要更多的国家参与和管理。

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They say that the proposed change could weaken state control over the distribution, quality-control and taxation of alcoholic products.

ECONOMIST: Your health! (in small doses only)

It ignores the change in many poor countries, and the extraordinary transformation in the ex-communist ones, where the state's control of the economy, total hitherto, has been rolled back to something resembling the western mixed-economy model.

ECONOMIST: The visible hand