A doctor will prescribe Benzac ac for mild to the most severe cases of acne or pimples.

医生会开Benzac AC处方给痤疮粉刺面疱非常严重的患者。

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For two decades, Zhang's AC business boomed.

20年来，张的空调业务蓬勃发展。

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The company manufactures power inverters necessary to convert the DC power generated by solar panels into the ac power required for most USES.

公司生产电力逆变器，把太阳能生成的直流电源转换为使用最多最需要的交流电源。

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Dutchman Clarence Seedorf got the equalizer for AC Milan in the 38th minute.

VOA: standard.2009.07.25

Solar panels produce electricity in DC, which needs to transform into AC for feeding the electric grid or for using the power onsite.

FORBES: Google-backed Transphorm Raises $25M For Power Conversion Tech

He recounts a story from his Apple days when Jobs, with no warning, told Fadell to include a custom AC adapter for the iPhone.

FORBES: Nest Labs Brings Apple Magic To Thermostats

Balotelli was at the center of an embarrassing incident for the AC Milan hierarchy just days after signing for the team.

CNN: STORY HIGHLIGHTS