A control circuit comprises a voltage open-loop control circuit and a semi-periodic current hysteresis-loop control circuit.

控制电路包含电压开环控制电路，半周期电流滞环控制电路。

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The effects of pulse and periodic current parameters on the composition of Pd -ni alloy deposit and on the current efficiency of the electrodeposition process have been studied.

本文考察和研究了脉冲电镀及周期换向电镀法中各项脉冲参数对钯-镍合金的镀层成份、电流效率的影响。

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Periodic Reviews examine, qualify, and quantify current performance for the Initiative, and continuing conformance to plans and expectations in multiple dimensions.

定期评审分析、限定，并量化计划的当前性能，及对多方面的计划和预期结果不断地顺应。

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Mackail-Smith's body alignment issues put pressure on his hips, resulting in periodic niggles such as his current groin problem.

BBC: Mackail-Smith aims for game time

Where, a local search and coupons service, introduced a service that sends users periodic text messages with deals around their current location.

FORBES: The "Walk Past A Starbucks, Get A Coupon Sent To Your Phone" Cliche Is About To Become A Reality

Tidal current: movement of water in a constant direction caused by the periodic rising and falling of the tide.

UNESCO: L O S S A R Y