The log-period dipole array is applied as a feed element for a back-fire antenna.
用对数周期振子阵作为背射天线的馈源。
After a long hike, they went back to their camp, built a fire and cooked dinner.
长途跋涉后,他们回到营地,生了一堆火,做了晚饭。
When he came back he fanned the embers of his fire again and warmed himself.
当他回来的时候,他又煽起了余火未尽的木块,使自己暖和起来。
A Harvard anthropologist has proposed that using fire to cook food could be dated back to almost two million years and that it could explain hominid features like having a large brain and small teeth.
哈佛大学的一位人类学家提出,用火做饭可以追溯到近200万年前,这可以解释人类的一些特征,比如大脑大,牙齿小。
They came back to camp wonderfully refreshed, glad-hearted, and ravenous; and they soon had the camp-fire blazing up again.
他们回到营地时神清气爽,兴致勃勃,却也饥肠辘辘;不久,他们又把篝火点着了。
To their surprise, they found that it climbed over to the fire alarm on the back wall and set it off!
令他们惊讶的是,他们发现它爬到了后墙的火警警报器上,拉响了警报!
The fire, which had started at the base of the 93-metre spire at about 6: 40 pm on Monday, spread through the cathedral's roof, made up of hundreds of oak beams, some dating back to the 13th century.
周一下午6点40分左右,大火从93米高的塔尖底部开始,蔓延到教堂的屋顶。教堂的屋顶由数百根橡木梁组成,其中一些梁的历史可以追溯到13世纪。
Even the popular boy wizard Harry Potter has to battle a deadly dragon and get back a golden egg from its nest in "Harry Potter and the Goblet of Fire".
甚至在著名的小说《哈里·波特和火焰杯》里,小巫师哈里·波特也要打败一条凶恶的龙,从它的巢穴里抢回金蛋。
Speculation followed that the fire was either an accident, or sabotage by people alarmed that hovering Australian navy ships might send them back to Indonesia, where they embarked.
这既非一场意外的火灾,也非守卫澳大利亚的船只的海军们警告难民船返回印度尼西亚,也是他们靠岸的地方时导致的。
Gently, very gently, he took her arm and led her back to the hearth and the blazing fire.
轻轻的,非常的轻,他抓住了她的手臂,将她引向壁炉和那熊熊火焰。
This type of pressure lights a fire under even themost laid-back personalities.
这种压力会点亮即便是最懒惰的性格下的心中之火。
Margaret could have used the side doors, except those were kept locked because the manager didn't want the hired help to sneak out, either. This was back before excessive fire and safety regulations.
那会儿还没有繁杂的消防安全条例,经理为了防止员工翘班把边门都锁了,要不然,玛格·丽特完全可以从那儿离开。
The charcoal history of fire in the giant sequoia groves extends back more than 8,000 years.
木炭记录的巨杉林火灾历史可以再向前追溯8000多年。
Tomorrow evening when the enemy arrives, abandon camp. At the fire signal, turn back upon them.
来日黄昏,敌军必到,主公便弃营而走;但见火起,即回军掩杀。
But trained employees are too valuable to lose and if you fire them, there's no guarantee you'll be able to get them back when your business picks up; they may have moved elsewhere.
但是训练有素的员工是如此宝贵而不能丢弃的企业财富,假如你轻易炒了他们鱿鱼将无法保证在企业形势好转时能重新雇佣他们。他们已经很可能在别处高就。
Scooping the fire off him into a little jar in her pocket, she scrambled back along the row — Snape would never know what had happened.
荷米恩成功了,她把火收回一个瓶子里放在口袋,沿着座位跑回去——史纳皮还不知发生了什么事呢。
The local fire department blocked the road with fire trucks and turned back motorists.
当地消防局用消防车把路挡住,让过往的车辆掉头返回。
If I do want a shot with the background dark simply move the dial back to "p" mode and fire away. Nothing else needs to be adjusted.
如果我想要拍摄背景暗下来,只要把拍摄模式转盘转到P程序模式拍照就可以了,不需要其他任何改动。
A second possibility, for more power-hungry devices, is to fire a finely focused infrared laser beam at a photovoltaic cell, which converts the beam back to electrical energy.
第二种可能性则能应用在更加耗电的设备上。其原理是发射一道精确聚焦的红外激光线,击中光伏电池,由此能够将光束转换回电能。
Evoking a strong emotional response from your users, be it positive or negative, is a sure-fire way of keeping them coming back for more.
能从用户中升腾起强烈的情感反馈,不论积极还是消极,这将是让他们再一次回到网站的最有效方式。
In 1985 Bob Dole mocked him for wanting "a business deduction for hairspray". Mr Kemp shot back: "in a recent fire, Bob Dole's library burned down."
1985年,鲍伯·杜尔嘲讽他“想减少商业发胶”,康普先生回击:“在最近的一场火灾中,鲍伯·杜尔的图书馆毁了。”
When we got back to the cave, Harrison started a fire. We ran out of wood and I was selected to go and find more.
等回到山洞后,哈里森生起一堆火,我们出去拾木柴,它们派我去多找些柴火回来。
So I had to go back to the beginnings of rapid-fire technology and start my clock from there.
所以我不得不从速射武器的技术开始学习,第一件就是我的闹钟。
The next day he was speaking, standing with his back to the fire, when he noticed several lips moving rapidly.
第二天,当老师背靠着火炉讲课时,发现好几个学生的嘴唇在很快地不停地动。
Leaning back, she folded her arms behind her head, and looked at the fire under drooping LIDS.
她身子向后一仰,两只胳膊交叉放在脑后,眼睑垂下,望着炉火。
It takes a month for the body to make antibodies to a newly encountered pathogen, so a bunch of immune-system cells called B lymphocytes first fire back in a general way.
新的病原体进入机体后,机体一般需要一个月的时间才能产生相应的抗体,因此首先由免疫细胞——B淋巴细胞通过共同途径对病原体进行攻击。
Yet underlying the Tennessee fire debate is something much more serious and fundamental than the the back-and-forth, talking head battles about who was more at fault in this incident.
在田纳西火灾事件的背后是远比那些周而复始的归咎哪方在事件中过错更多的争论更为严肃基本的话题。
But what I have found over the years is that this is one sure fire way to getting back on track to my happier self.
但多年来我发现这是一个确保回到正轨重做快乐自我的很好的方法。
But what I have found over the years is that this is one sure fire way to getting back on track to my happier self.
但多年来我发现这是一个确保回到正轨重做快乐自我的很好的方法。
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