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...
我留下一名中士指挥，自己策马前去侦察敌情。I left a sergeant in command and rode forward to reconnoitre.温斯顿少校策马疾驰而去。Major Winston galloped into the distance.他用马刺策马.He dug in his spurs....
In tubers from such potatoes stem mottle symptoms are rarely observed.由这类马玲薯产生的块茎中茎斑驳症状不易观察到.The buds grow into new plants which produce new tubers.芽长成新株,新株生出新的块茎.By age 10, 50 % of patients have calcified cortical tuber...
My mother lived till eighty, a canty dame to the last.我母亲活到了八十岁, 到最后也是个活泼的妇人.Scarcely five minutes later the Canty household were in the street and flying for their lives.还不到五分钟之后,康第这一家人就到了街上,慌忙逃命.O, Tom Canty, born in r...
We were allotted half an hour to address the committee.给了我们半个小时向委员会作陈述。Each passenger slept on the berth allotted to him.每个旅客都睡在分配给他的铺位上.He was allotted a three - room flat.他分得了一户三室的套房....