If the reverse operation is needed, then the block must be erased (to reset all bits to the one state).

如果需要撤销操作，那么必须擦除整个块(将所有数据重置回状态1)。

youdao

The reverse operation would be nothing like as orderly, not least because the exchange rate would be a moving target.

反向操作不太可能有条理，有序进行，特别是因为汇率将会是一个不断变化的目标。

youdao

NOTE It does not make the reverse operation during the normal duty cycle of the appliance. It may or may not require manual resetting.

在器具的正常工作循环期间，它不得造成反向工作，它可要求也可不要求其具有手动复位的功能。

youdao

During the third quarter, the company continued what it described as an aggressive drill campaign with 13 core and 10 reverse circulation rigs in operation.

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But Alibaba failed to reverse the ongoing decline in those services, and is reportedly preparing to return the entire Yahoo China operation to the US company, according to Chinese media reports.

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