I’ve spent all afternoon grappling with these accounts.我用了整整一下午处理这些账目。He was grappling with an alligator in a lagoon...他正在环礁湖里与一只短吻鳄搏斗。The financial markets are grappling with just those issues - and gyrating between eup...
描述两个功率电平比值的单位.A unit that describes the ratio of two power levels.要使计数器正常工作,正向和逆向控制输入电平必须始终相反.For proper operation the forward and reverse direction - control inputs must always be complementary.如旁瓣电平过大,很多科研工作者都在设法解决这些问题...