The element employs a bifilar wound wire grid on an insulating substrate.元件系用双股绕线网缠绕在一块绝缘基板上.A new backfire antenna fed by a bifilar backfire belix is described in this Paper.本文提出一种用双线背射螺旋作馈源的新式背射天线....
Both drugs slow the progression of HIV, but neither cures the disease.这两种药物都可以延缓艾滋病病情发展，但是都不能治愈这种疾病。There's a time lag between infection with HIV and developing AIDS.从感染艾滋病病毒到病发有一段滞后期。All donated blood is screened f...
The phantom of the merry-go-round is just a local superstition.旋转木马的幽灵只不过是当地的迷信说法。We're copying from textbooks because we don't have enough to go round.我们在抄课本,因为课本不够.They'll catch a packet if they try to g...
Far from being sissy, it takes a real man to accept that he is not perfect.只有真正的男人才会接受自己并非完美无缺的事实，这绝不是什么女孩子气。'Last one in the sea is a sissy,' proclaimed Idris.伊德里斯大声地宣告说：“在海里，谁落在最后谁就不是爷儿们。”Nina looks the spitt...
现在，本医院可提供最好的化验（见第17章）。Today the best tests are performed in the hospital .see chap. 17..理查德叔叔吟诵了《圣经》中的一章，又即兴作了一段祈祷文。Uncle Richard intoned a chapter from the Bible and improvised a prayer.最后两章中的很多说法是对前面段落的呼应。Many phrases ...