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...
The amount of each drawing must be endorsed on reverse hereof.每笔汇票金额必须在信用证背面给予签注.The government has broadly endorsed a research paper proposing new educational targets for 14-year-olds.政府基本上支持建议对14 岁少年实行新教育目标的研究报告。The ca...