"We had three rules of thumb," says Herdt.

“我们有三条经验规则，”Herdt说。

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"The model covers smart metering now, but it doesn't cover all the different tariffs that will be needed," says Herdt.

“模型现在包含智能仪表，但是它不包含以后需要的所有价格表，”Herdt说。

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Later this year, Herdt and Schiller expect to see a full field trial that is completely based on the model they helped create.

Herdt和Schiller希望在今年晚些时候看到完全基于此模型的完整现场测试。

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The editor, Hans Konradin Herdt, has the sharpest pen of any financial journalist in the country: bound copies of his leading articles are sent to all subscribers as a Christmas present.

ECONOMIST: Germany��s ��silver bullet��