A differential pair dynamic comparator which has no DC power dissipation is used in SUB-ADC.

每级子模块中采用了没有直流功耗的差分对动态比较器，具有更好的综合性能。

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The problem is that there is no single standard for DC power supplies, so such savings cannot easily be achieved in a data centre filled with equipment from different vendors.

问题是直流电源并无单一标准，因此拥有不同卖家设备的数据中心很难做到这样的能源节约。

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No commutator motor is a new variable-speed motor, its adjustable-speed performance is more advantage than dc system.

无换向器电动机是一种新型的可调速电机，其调速性能优于直流调速系统。

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New Jersey, Washington and DC also have no sales tax for electric vehicles.

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She moulds herself as an anti-establishment conservative in the Reagan tradition, as do many Republicans with no office in Washington, DC, and she is keenly attuned to activist disquiet within the party.

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Bob Schreck, long-time editor at DC Comics, has no such reticence.

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