APSD(Automatic Power Save Delivery) WiFi联盟的WMM省电认证协议,能够加长Wi-Fi设备的电池寿命。
解决光浪涌的方法是在EDFA中实现自动光功率减弱(APR)或自动光功率关断(APSD)功能,即EDFA在无输入光时自动降低功率或自动关断功率,从而抑制浪涌现象的发生。
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Objective: to study the diagnosis and operation of aortopulmonary septal defect (APSD).
目的:探讨主动脉—肺动脉间隔缺损的诊断与外科治疗。
A case of aorticopulmonary septal defect(APSD) associated with ventricular septal defect is reported.
本文报告一主、肺动脉间隔缺损病例。
Objective to analyze the accuracy of the diagnosis of aortopulmonary septal defect (APSD) by Doppler echocardiography and improve the initial echocardiographic diagnosis.
目的分析多普勒超声心动图诊断主肺动脉间隔缺损的准确率,提高超声心动图检查对主肺动脉间隔缺损的首次检出率。
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