此电流衰减控制方案成果在减少声响马达的噪声，提高一步的准确性，并降低功耗。
This current-decay control scheme results in reduced audible motor noise, increased step accuracy, and reduced power dissipation.
现代建筑物规模庞大，如何减少布线成本和降低信号衰减已成为模拟音频广播系统中非常棘手的问题；
Secondly, due to the existence of huge modern buildings, how to reduce the wiring cost and decrease the signal attenuation in analogue audio broadcast system is a troublesome problem.
现代建筑物规模庞大，如何减少布线成本和降低信号衰减已成为模拟音频广播系统中非常棘手的问题；
Secondly, due to the existence of huge modern buildings, how to reduce the wiring cost and decrease the signal attenuation in analogue audio broadcast system is a troublesome problem.
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