The power grid has basically been the same for the better part of a century, says Ian Bowles, Massachusetts' secretary of energy and environmental affairs. That is, until the smart grid.
直到智能电网的出现，这大半个世纪来，整个电网基本上没有更改，马萨诸塞州能源与环境事务秘书长称。
The power grid has basically been the same for the better part of a century, says Ian Bowles, Massachusetts' secretary of energy and environmental affairs. That is, until the smart grid.
直到智能电网的出现，这大半个世纪来，整个电网基本上没有更改，马萨诸塞州能源与环境事务秘书长称。
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