后(hou)備電(dian)(dian)源(yuan)是(shi)一種(zhong)有效(xiao)防止驅動(dong)電(dian)(dian)路無(wu)正常(chang)電(dian)(dian)壓(ya)時的一種(zhong)自(zi)動(dong)驅動(dong)的準行電(dian)(dian)源(yuan)，可以延長電(dian)(dian)路需(xu)要的電(dian)(dian)壓(ya)，以提供電(dian)(dian)路能夠(gou)正常(chang)工作。小巧身材(cai)在個人電(dian)(dian)腦配置和峰值功耗不斷(duan)升(sheng)級(ji)的背景下
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