另一种与闹鬼相关的自然现象是称作次声的低频声波。
Another haunted and related natural phenomenon is known as frequency infrasonic sound waves.
次声的作用机理是生物共振，次声应用于生物医学，前景将会十分广阔。
Being inaudible and with a mechanism of bio-resonance, infrasound has a brilliant perspective when applied to biomedicine.
在相同的频率和声压级水平下，次声的损伤作用与次声的暴露时间并非呈线性关系。
Under the same frequency and same sound pressure level, the infrasound damage on the brain didn't show linear correlation with the acting time of infrasound.
1972年，巴黎国际噪声专业会议正式确定了次声的定义，并对次声的暴露标准展开讨论。
In 1972, Paris International Noise Professional Meeting gave a formal definition of infrasound, and discussed its exposure standards.
因此，研究次声的发生、传播、生物学作用机制及制订相应的防护措施已越来越受到人们的重视。
So people are becoming increasingly aware of the importance in studying the mechanisms of the occurrence, spreading, biological effects and preventive measures of the infrasound.
电话响了3次后我听到了咔嗒一声响，然后是她的录音留言。
The telephone rang three times before I heard a click and then her recorded voice.
公路上有挡泥板的断裂声和油漆的刮擦声，这种小事故每天都会在路上发生成千上万次。
There was a crack of fenders and the sound of paintwork being scraped, the kind of minor mishap that occurs on roads thousands of times every day.
他一次又一次地呼唤他的小朋友，突然他听到沉重的脚步声向他走来。
Again and again he called to his little friend, when suddenly he heard heavy steps approaching.
当番茄植株的茎被切断时，一小时内记录了25次超声波疼痛声，同时记录了15次烟草植物的超声波疼痛声。
When the tomato plants' stems were cut, 25 ultrasonic pain sounds were recorded in an hour, and at the same time, 15 ultrasonic pain sounds were recorded from the tobacco plants.
眨两次眼睛，你的相机会“咔嚓”一声！
Open and close your eyes twice and your camera will go "click"!
我能够听见外面，每一次大风的呼啸，每一次狗吠，每一次从人行道穿过街道的脚步声。
I could hear every gust of wind outside, every dog barking, every footstep on the sidewalk across the street.
并无利爪的杰克猫在树下发出嘶嘶声，迫使那只熊在树上躲避了15分钟，然后在一次尝试逃跑失败之后逃到了另外一棵树上。
Hissing at the base of the tree, Jack the clawless cat kept the bear at bay for about 15 minutes, then ran him up another tree after an attempted escape.
有了那一声问候，他死也瞑目了，但是他不想让她伤心，他从来都是给她最好的，这一次也不例外，所以他硬下心肠不接她之后接二连三的电话。
With that greeting, he die rest in peace, but he did not want her hurt, he always gave her best, this one is no, so he hardened his heart not to pick her up after repeated calls.
“对我、对美国而言，这都是一次机会，让我们能够向这个国家以及全世界最优秀的公民说声‘谢谢’，”他说道。
"This is a chance for me and for the United States of America to say thank you to some of the finest citizens of this country, and of all countries," he said.
这时，他才从梦中渐渐清醒过来，一声和第一次相同的响声把他完全惊醒了，他注意看，这才看出那两颗星原来是一辆车子上的挂灯。
But this confusion vanished; a second sound similar to the first roused him thoroughly; he looked and recognized the fact that these two stars were the lanterns of a carriage.
我试图跟随那轻柔的滴答声，在一次钟鸣声和下次的钟鸣声之间数出九百秒，但我总是数不清。
I tried to follow its soft ticking and to count the nine hundred seconds between one stroke and the next, but I kept losing track.
他说，先听到六次枪声，沉寂之后又响了六声，还听到大象的尖叫和喇叭似的声音。
He said six gun shots had rung out, then silence followed by another six gunshots, and screams and trumpeting of elephants.
他说，听见了两次巨大的爆炸声当飞机撞向地面的时候。
He said there were two loud explosions when the aircraft hit the ground.
从市区附近的海港可以听到一次爆炸的声响，而从市中心一个豪华旅馆科伦坡大酒店可以听到另外一次爆炸声。
One explosion was heard near the city's port, and another near the Cinnamon Grand, a luxury hotel in the heart of the city.
要有多少次重复地听到相同的笑话时挤出一声大笑？
Just how many times can hear the same joke and force out a laugh?
这样，我在自己生活的漫长日子里，在我的知觉中，一次次谛听到雨水淅沥声和树叶婆娑声。
Thus did the rain patter and the leaves quiver again and again, the live-long day in my consciousness.
在形式上，一秒钟，或者说一次“滴答声”被定义为在小心受控条件下，微波能量喷发或是铯133原子吸收的9 192 631 770个循环。
One second is formally defined as 9, 192, 631, 770 cycles, or "ticks and tocks," of microwave energy emitted or absorbed by cesium-133 atoms under carefully controlled conditions.
就在那个男人快割到草地边上的时候，又见到那个女郎出来了，这次是大步流星地走到邮箱跟前，猛地打开，再“砰”地一声狠命地关上，力度比前两次还要大。
As the man was getting ready to edge the lawn, here she came out again, marched to the mail box, opened it and then slammed it shut harder than ever.
喧闹渐强，声音更大，连同一次成像照相机的咔咔声和闪光，掩盖了天启的表演，而公众几乎把他们都忘了。
The din grows, and the voices, ever louder, along with the clicks and flashes of the instant cameras, obscure the spectacle of the Apocalypse, which the public has all but forgotten.
这些脑外伤病人大多是从战场回来的美军老兵，在此之前他们最后一次听到爆炸声和枪声是他们在阿富汗作战负伤时。
The last time most of these veterans heard bomb blasts and gunshots was the day they nearly died in Afghanistan.
死去的麦加第又一次把头甩了过来，发出一声刺耳的喊叫，听起来就像地狱的狂犬在嚎叫。
The "dead McCarty... threw back his head once more [and gave] a dreadful rasping whoop that sounded like the hounds of hell were barking."
死去的麦加第又一次把头甩了过来，发出一声刺耳的喊叫，听起来就像地狱的狂犬在嚎叫。
The "dead McCarty... threw back his head once more [and gave] a dreadful rasping whoop that sounded like the hounds of hell were barking."
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