And laser comes from light amplification by stimulated emission of radiation.

激光来自于光的放大，通过受激辐射的发射。

Who turns the knob to increase or decrease the amplification in a quiet or in a loud environment?

是谁转动旋钮，在安静环境中增强扩音，在吵闹环境中降低扩音的？

The cascade has a huge degree of amplification and takes only a few minutes from injury to clot formation.

从伤口暴露至凝块形成，这一级联放大反应仅需要几分钟就可以完成。

This cascade has a huge degree of amplification and takes only a few minutes from injury to clot formation.

这个级联的反应强很高，损伤到块形成只需要几分钟。

This cascade has a great degree of amplification and takes only a few minutes from injury to clot formation.

这种级联反应有大的扩大效应，从壁受损到栓形成只需要几分钟。

This " Moon Tower, " Morty, is the perfect height and metallic composition for the amplification and beaming of toxic energies.

莫迪，这月亮塔拥有完美的高和金属构成，可以放大并放射毒素能量。

One of these is isothermal amplification which also checks for viral RNA.

其中之一是恒温扩增，它检查病毒的RNA。

If the amplification is turned up too far, it goes unstable and begins to howl or emit sounds.

如果增过，它会变得不稳定，开始嚎叫，或是发出杂音。

It turns out that the ear can control its own sensitivity, its own amplification.

事实上，耳朵能够控制它自身的灵敏，和自身的扩音。

From his position above the congregation, his voice could be heard throughout the church, without electronic amplification.

从他在会众之上的位置，他的声音可以在整个教堂听到，没有电子扩音器。

These forms of amplification are most common in people experiencing chronic pain, which is defined as pain lasting more than 3 months.

这些形式的放大最常见于经历慢性疼痛的人，即持续3个月以上的疼痛。

CPA is chirped pulse amplification, a technique for producing incredibly short pulses of laser light of very high intensity.

CPA指啁啾脉冲放大技术，是一种产生超短超强激光脉冲的技术。

The first is: What is the molecular motor that's responsible for the hair cell's amplification?

负责毛细胞扩音作用的分子马达是什么？

The aforementioned offended enthusiasts have posted several guidelines on how to rip these amplification devices out of your vehicle and their frustration is understandable.

前面提到的被冒犯的发烧友发布了一些指南，说明如何从车辆中取出这些扩音设备，他们的挫败感是可以理解的。

The second issue is how the hair cell's amplification is adjusted to deal with the acoustic circumstances.

第二个课题是，毛细胞的扩音作用是如何调节并匹配周围的声学环境的。

When the amplification fails, our hearing's sensitivity plummets, and an individual may then need an electronic hearing aid to supplant the damaged biological one.

当扩音系统损坏时，我们的听觉灵敏会骤降，个体可能需要借助电子助听器以弥补损坏的生物听觉系统。

If you are in a room like this auditorium, you might have a little bit of amplification, but of course the public address system does most of the work for you.

如果你在像这个演讲厅一样的房间里，你或许需要对声音进行少许放大，不过当然了，广播系统已经帮你完成了大部分工作。

It's similar to social media's amplification effect, like when you look at something that bothers you, you tend to stick with like-minded people and exchange messages and memes, and you become even more angry.

这和社交媒体的放大效应类似，就像你在看到某些不喜欢的言论，你会倾向于去找和自己想法一样的人交换信息和表情包，然后你变得更加生气。

So if you're in a very loud environment, like a sporting event or a musical concert, you don't need any amplification, and the system is turned down all the way.

如果你在一个很吵的环境里，比如，体育赛事或者音乐会现场，你不需要对声音进行任何放大，于是系统的扩音就被调到最小。

So both an MYCN amplification or ALK gene fusion, where the oncogene is “turned on, ” or a PHOX2B and chromosome 1 and 11 deletions, where tumor suppressor genes are “turned off, ” can potentially cause uncontrolled cell growth.

因此，MYCN基因扩增或ALK基因的融合，即致癌基因被激活，或PHOX2B与1号、11号染色体缺失，即抑癌基因的失活，都可能导致细胞生长不受控制。