Like the double-headed eagle adopted by European emperors since Byzantine times, the EU now tries to act as one body with two heads.

欧盟如今想要采取一个体系两位首脑的做法，就好像欧洲君主自拜占庭时期开始用双头鹰作徽记一样。

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My company has a variety of devices 198 Units, mainly the production of full-thread screw, double-headed stud, round nuts, rings, pin and so on.

我公司有各种设备198台，主要生产全螺纹螺杆、双头螺柱、圆螺母、吊环、销类等。

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Families headed by males had double the average income that families with female heads had.

男性持家的家庭平均收入是女性持家家庭的两倍。

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Unless you're DOE biologist Peter Larsen at the Argonne National Laboratory, who would probably argue your legal tender has been double-headed all along.

ENGADGET: Microbial music: Using sound to represent data from the deep blue sea

The likeliest outcome is a double-headed regime, with the Fed as a stability regulator for large financial institutions of all types, and the SEC policing investor protection.

ECONOMIST: The price of the Fed��s lifeline is yet to be determined

The Transport Committee (at 10.05am) has a double-headed session covering road safety, with junior Transport Minister Mike Penning and then moves onto flight time limitations - the acceptable hours for pilots and aircrew.

BBC: Week ahead in Parliament