杂乱脉冲干扰由电子噪声导致的在示波器显示中振幅的小变化.Small variations in amplitude of an oscilloscope display caused by electrical noise.他是否已注意到在他身上的一点小变化?Has he detected even a small change in himself?灵敏度(SENSITIVITY)-仪器所能检测得到的信号中的最小变化量.SENSITI...
...three youths who stood astride their bicycles and stared.站着跨在自行车上凝视的3个年轻人He stared back hardily.他大胆地回瞪.He stared at it glumly, and soon became lost in thought.他惘然沉入了瞑想.Henry looked, stared, and lurched to his feet.亨利看...
别抱怨不好的事，要对好的事心存感恩。Instead of complaining about what's wrong, be grateful for what's right.“史蒂夫，你要喝点什么？”——“可口可乐，百事，随便啦。”"Steve, what do you want?" — "Coke, Pepsi, it doesn't matter."我讨厌别人就那件事指责我们。I hate it ...
你的英语学得怎样?How are you getting along with your English studies?我太笨,所以英语学得很慢.I have two left feet so I am slow in learning English.他的英语学得不错, 只是发音还不太好.His English is not bad, but his pronunciation isn't too good....