The hills sent back a faint echo.
座座山丘传来微弱的回声。
Usually, as they swim, they make clicking noises, and the resulting sound waves are reflected in an echo and travel back to them.
通常，当它们游泳时，会发出咔嚓的声音，所产生的声波会在回声中被反射回到它们身边。
That taught the little boy a lesson that our life is like an echo; we get back what we give.
这给我们一个同样的启示，即：生活就像一个回声，我们付出什么就能得到什么。
At Echo Wall, visitors now offer cries instead of sacrifices, hoping to hear their voices bounce back to them.
在回音壁前，游客们不再献祭，而是大声喊叫，希望能听见自己的回声。
He went up to the mountains and shouted, "I hate you, I hate you," and back came the echo "I hate you, I hate you." This was the first time that he had heard an echo.
他爬到山上大声喊：“我恨你，我恨你”，就听见回声“我恨你，我恨你”，这是他第一次听到回声。
Such surfaces reflect most of the bats' echolocation energy away from it, but some energy hits the surface perpendicularly, sending an echo back directly beneath the bat.
这样的平面反射了大部分蝙蝠的声波，但是有一部分能量垂直撞击到表面上，声波回传至蝙蝠。
The simplest thing you can do with model data is to simply echo it back to the browser.
处理模型数据最简单的办法就是在浏览器上显示出来。
People call this ECHO, but really this is LIFE. It gives you back everything you say or do.
人们叫它回声，其实这就是生活。你怎样说和怎样做，它就怎样回报你。
Essentially, ping sends an echo packet to the device, and expects the device to echo the packet contents back.
简单地说，ping向设备发送一个echo数据包，期望设备把数据包的内容发送回来。
We use an application called echo on a mainframe that echoes back the input text entered in the first screen.
我们在大型机上使用一个称为echo的应用程序，它能对输入第一个屏幕的输入文本进行回显。
After the module is loaded, the user can load text fortunes into it using the echo command and then read them back out individually using the cat command.
在加载这个模块之后，用户就可以使用echo命令向其中导入文本财富，然后再使用cat命令逐一读出。
Whenever we need to use one of the variables, you pop back into PHP mode and issue an echo statement to write the variable's value directly into the Web page text.
当需要使用某个变量时，就退回php模式，并发出一条echo语句将该变量的值直接写入网页正文中。
Why do you always have to echo back my opinions like this?
你为什么总是这样非附和我的意见不可呢？
The sound waves from these cries bounce off objects and echo back to the bat's ears.
从这些叫声中传出的声波，被物体弹回，回声传到蝙蝠的耳里。
Love falls in love with love comes like an echo sounding back searches its mirrored shadow within a look.
爱与爱彼此相恋，犹如回声在激荡，寻找镜中的影像，在短暂的一瞥中。
We are convinced that cooperation, exchange of knowledge and mutual respect are the best means to echo back the message of nature reflected in the wonderful gift of these plants.
我们相信，合作、知识的交流和互相尊重可以最有效地回应自然使用这些美妙的植物传递给我们的讯息。
In many places the echo of a voice came back five times stronger than the original voice.
在许多地方，声音的回声以高于原来声音的五倍返回。
Oh, listen to that echo. What a great place to record a song. Maybe I'll come back here some day and record one of my own songs.
听那回音。真是个录制歌曲的好地方。也许哪天我会到这里，录制一首我自己的歌。
When the noise bounces off a fish or a rock, the dolphin hears the echo come back again.
当声音从鱼或岩石反弹回来时，海豚再次听到回声。
My talk an echo and deliver back, obviously this is very large, this is the list is ask for help of flashlight can not probe into at all exactly.
我的说话声回音又传递回来，显然这个颇为广大，这是单是借助手电筒根本无法探测到底。
The contrastive experiment of back-scattering echo and beacon angle-of-arrival fluctuation was introduced.
介绍了后向散射回波与信标光到达角起伏的原理性比对实验。
Results:The cervical lymphangioma in fetus was characterized by a cystic mass, single or multilocular with septations, on the back or both sides of the neck, the echo and signal is uniform or not.
结果：囊性淋巴管瘤的影像学特征为头颈部两侧或背侧的囊性包块，呈单囊或多囊表现，回声或信号可均匀或不均匀，病变范围可延伸至枕部或肩背部及纵隔。
Everyone knows that if he shouts in the vicinity of a wall or a mountainside, an echo will come back.
大家都知道，假如一个人在墙壁附近或是山腰里大声呼喊，就会产生一个回音。
Then the father explains: "People call this ECHO, but really this is LIFE. It gives you back everything you say or do. ""
接着，父亲解释道：“人们把这叫做‘回声’，但其实这是‘生活’。它会把你的一言一行都还给你。”
Waves can bounce back and forth across the central region, becoming successively amplified-a cosmic echo chamber.
波可在星盘中间来回反弹，并连续放大，就像是个宇宙中的共鸣箱。
In ideal circumstances, the back scattered echo signal of SAR is chirp signal. With synthetic aperture theory, high azimuth resolution imaging to distant targets can be attained.
理想情况下，SAR回波多普勒信号是线性调频信号，采用合成孔径原理提高方位向成像分辨率。
Everyone knows that if he shouts in the vicinity of a wall or a mountainside, an echo will come back.
大家都知道，在墙壁或山腰附近发出的喊声，就会听到回声。
Everyone knows that if he shouts in the vicinity of a wall or a mountainside, an echo will come back.
大家都知道，在墙壁或山腰附近发出的喊声，就会听到回声。
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