billionth

At a distance of about 300 nanometres (a nanometre is a billionth of a metre), the seesaw began to tilt towards the ball.

其间距离大约为300纳米时（1纳米是十亿分之一米），秋千开始移向小球。

Yet as we get ready to welcome the birth of the seven billionth person later this year, the mood should be celebratory, not dour.

然而当我们准备欢迎的诞生，今年晚些时候的一百人七，心情应该庆祝，而不是严苛。

The child is one of several in countries around the world being declared a symbolic seven billionth human.

这个婴儿是世界上几个被预言会出生的象征第70亿人口的婴儿之一。

A broken networked intelligence may be able to calculate pi to the billionth digit but not forward e-mail to a new address.

一个有损伤的网络智能也许能计算出圆周率的第十亿个数位，却不能向新地址转发邮件；

Dr Raskar and his students are working with one that fires its pulse in a thousand billionth of a second.

Raskar博士和他的学生正在研制一个在一万亿分之一秒内发射脉冲的激光。

The water droplets themselves can be as small as a nanometre (a billionth of a metre) across.

水滴的直径可微小至一纳米（一米的十亿分之一）。

Visible light makes up less than one ten-billionth of the electromagnetic spectrum, which stretches from radio waves to gamma rays.

在覆盖了从无线电波到伽马射线的电磁光谱中，可见光只占不到百亿分之一的比例。

The microblogging site only reached its one billionth Tweet last November, and was only up to 1. 6 billion in April.

微博网站Twitter的信息贴去年11月才达到10亿。

He says the seven billionth person was likely to be a girl born in rural Uttar Pradesh.

他表示，第70亿人可能是出生于印度北方邦农村的一名女孩。

That energy level corresponds to energies present when the universe was only one ten-billionth of a second old.

这个能级只是相当于宇宙产生一秒钟后能量的一亿分之一。

As one of the world's symbolic seven billionth occupants, little Danica May Camacho's birth is not only significant to mother and father.

据英国《每日邮报》10月31日报道，作为象征性的世界第70亿个居民之一，小丹尼卡-卡马乔是的出生不单单只是对她的父母意义重大。

Dr Nadal's team found that a quarter of a billionth of a gram of BPA was enough to start this reaction.

纳达博士的研究团队发现只需40亿分之一克的BPA就可以启动这种反应。

This year, World Habitat Day falls during the month when demographers predict our planet's seven billionth inhabitant will be born.

今年，在世界人居日所在的这个月，据人口学家预言，将诞生我们星球上第70亿个居民。

Ray-O-Vac made a gold-plated flashlight in 1950 to celebrate the production of its billionth leakproof battery.

Ray-O-Vac公司在1950年的时候为了庆祝第10亿颗防漏电池下线，特地做了个镀金的手电筒。

By comparison, Jupiter is one-billionth the brightness of our sun.

作为对比，木星的亮度也只有我们的太阳的十亿分之一。

A nucleus is about one thousand billionth the size of an atom.

原子核的体积大约是原子的一千兆分之一。

Thus time and time's relativity are measurable by any hour glass, alarm clock, or atomic clock that can measure a billionth of a second.

因此，时间和时间的相关性是衡量任何小时玻璃，闹钟，或原子钟，可以测量十亿分之一秒。

At the end of April, we happened to become iTunes the apple iTunes download app store.

四月底，我们成为了，苹果程序商店，the，billionth，app，downloads，from，第十亿次下载的苹果程序。

Days from now, the human family will welcome its seven billionth member.

再过几天，人类大家庭将迎来第70亿个成员。

A nucleus is about one billionth the size of an atom.

一个原子核（的体积）大约是原子的一万亿分之一。