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1. The new design of the studio foldback circuit has greatly improved the efficiency ofthe device.
新设计的工作室折叠回电路大大提高了设备的工作效率。
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2. The foldback circuit inthe camera is a crucial component that ensuressmooth operation.
相机中的折叠回电路是关键组件，确保设备顺畅运行。
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3. The engineers carefully designed the foldback circuit toprevent any potential failures during the manufacturingprocess.
工程师们仔细设计了折叠回电路，以防止生产过程中的任何潜在故障。