The operational performance of DC bridge circuits(including constant voltage and constant current) was analyzed.

对直流（包括恒压和恒流）电桥的工作性能进行了分析。

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Both Blake Robison, director of the production now running at the Folger Elizabethan Theatre in Washington, DC, and Sam Mendes, who directs the Bridge Project's production at the Brooklyn Academy of Music in New York, emphasise this aspect by opening their productions with the actor who plays the unfortunate Mamillius, the boy-prince who dies of grief, reading from a book of fairy tales.

ECONOMIST: Two contrasting productions