然而近代电子学对调谐的频率范围很宽的带通放大器提出很多要求.There is a great deal of demand in modern electronics, however, for bandpass amplifiers.频率是可以调谐的.It is accompanied by a tone.外腔反馈的激光二极管阵列 ( LDA ) 可获得窄线宽 、 可调谐的光谱输出.Linewidth - narrowed, tuna...
我看这辆汽车是灾星。I'm convinced there's a jinx on this car.不用怎么提示农场主们就会告诉你，“该死的养狗人”是他们生活的灾星。Farmers don't need much prompting to tell you that "flaming dog owners" are the scourge of their lives.这个致命的灾星就是――让我们悄悄地说...
昨天在华盛顿举行的中东和谈有了取得进展的迹象。Middle East peace talks in Washington showed signs of progress yesterday.这里是吉姆·菲什在贝尔格莱德发来的关于事件进展的报道。With a report on these developments, here's Jim Fish in Belgrade.你会需要这些信息作为衡量进展的基准。You'...
We commented adversely upon the imbecility of that message of telegraphic style.我们对着这条电报式的愚蠢的留言发泄了一通不满.The discovery is hardly commented by the press.新闻界对该发现几乎未加评论。Stuart commented that this was very true.斯图尔特评论说这千真万确。Jo...