In the flicker of the fire a cave banquette draped in rabbit fur beckons napping.闪闪火光之中,一条凳装了兔皮垫子,向食客招手,欢迎他们来此小睡.The big time beckons for him.辉煌时刻在向他召唤。He sent his ships wherever profit beckons.他将船队派往赢利的那些地方.The big time...
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...