When digital information in an image or audio recording cannot be read, it is called a bit rot.

当图像或音频中的数字信息无法读取时，它就称为" 位元衰减" 。

Over the years, scientists have analysed these meteorites and determined their age through radioactive dating.

近年来，科学家们分析了这些外来物通过放射性同位素衰减测其年龄。

But inbreeding was a big problem on the island and the population is dying out.

但在这个岛上，近亲结婚是个大问题，人口也正在衰减。

And when rocks melt and reform anew, all evidence of that decay is destroyed.

当岩石融化并重新形成时，所有衰减的证据都摧毁了。

I scanned her brow for any passing line that might indicate a settling emotion.

我打量着她的前额，看那上面会不会偶然出现一个皱纹，告诉我她正在衰减的情。

Or you can even talk about the opposite, which is exponential decay.

或者你也可以讨论其反面，即指数衰减。

It takes a certain amount of time for that brightness to dissipate.

亮度衰减需要一定的时间。

As early computer pioneer Charles Babbage said: " At each increase of knowledge, as well as on the contrivance of every new tool, human labour becomes abridged" . However, none of these devices were called " computers" .

早期计算机先驱Charles Babbage曾说： " 每当人类知识增长创造新工具时 人工劳动力会得到衰减" 然而，这些设备那时都不叫" 计算机" 。

And even if someone were listening, after a few light years our signals decay into noise, impossible to identify as the source of an intelligent species.

即使有人在聆听，经过几光年的传播后我们的信号就会衰减成噪音，不可为来自于智慧生命。

They'll have their moments though, because over trillions of years, binary white dwarf orbits will decay, and the stars will merge and explode as supernovae.

不过，它们也会有自己的高光时刻，因为在数万亿年后，白矮星双星轨道会衰减，恒星会合并并爆炸，成为超新星。

His love for running never dimmed, but in the year 2000, he suffered a mild stroke that ended his heroic running days.

他对跑步运动的爱从未衰减。但在 2000 年，他得了轻度中风，从而结束了他具有英雄色彩的跑步生涯。

Gravitational waves move out from what caused them, like ripples on a pond, getting smaller as they travel farther from their center.

引力波从碰撞点向外扩散，就像水面的涟漪，远离涟漪中心的同时，强度也会逐步衰减。

They then estimated the age of the mineral based on differences in the decay of the radioactive uranium to lead over time.

然后，他们根据放射性铀随时间衰减成铅的差异来估计这种矿物质的年龄。

First, their content of radioactive uranium decays to lead at a rate that can be used to calculate their age.

首先，他们的放射性铀含量衰减成铅的速度可以用来计算他们的年龄。

ALESCI : How much of a setback was the outbreak in 2006 of E. coli?

2006年爆发的大肠杆菌疫情有多大程度的衰减?

Their collapse is being driven by human activity, everything from traffic to industrial farming and pesticides to light pollution.

它们的衰减是由人类活动造成的，包括从交通到工业化农场，从杀虫剂到光污染。

And the water in the channel keeps the oxygen out, preserves all sorts of organic materials that normally decay.

河道中的水将氧气挡在外面，保存着各种通常衰减的有机物质。

He says business activity in Chad will continue to decrease, even with many soldiers on roads and in markets.

他说尽管路边和市场上有很多士兵守卫，乍得的商业活动将继续衰减。

Iranian media say President Rouhani is to announce his country's commitment to the 2015 nuclear deal is diminishing.

伊朗媒体称，鲁哈尼总统即将宣布伊朗对2015年核协议的执行度将会逐渐衰减。

Light doesn't travel well underwater. So dolphins and other toothed whales navigate like bats, using echolocating clicks.

光在水中会衰减。所以海豚和其他齿鲸类动物在水中用回声定位，就像蝙蝠一样。