A nanometre is a billionth of a metre.
十亿分之一米是一纳米。
A nanosecond is one-billionth of a second.
1纳秒为十亿分之一秒。
In February 2010, the ten-billionth song was sold on iTunes.
2010年2月，iTunes出售的歌曲已经达到了100亿首。
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。
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。
One NM is one-1 billionth meter.
一纳米是十亿分之一米。
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。
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）。
The centimeter - gram - second electromagnetic unit of inductance, equal to one billionth a Henry.
电磁亨利厘米-克-秒制中感应系数的电磁单位，相当于一亨利的十亿分之一。
Later this year, a seven billionth baby will be born into our world of complexity and contradiction.
今年晚些时候，一个新生儿将作为地球第70亿个人，来到这个复杂和矛盾的世界。
This anomaly, which breaks the laws of physics, lasted a billionth of a billionth of a billionth of a second.
这种打破了物理定律的不正常现象持续了十亿分之一秒的十亿分之一的十亿分之一。
And it seems that iPhone users love these apps - sometime last week, the store racked up its billionth download.
看上去iPhone用户喜欢这些应用程序-上周，应用程序商店完成了它的第10亿次下载。
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。
According to the IFED, earth has 6.477 billion human beings now, and the 6.5 billionth will be born in Asia some time in December.
根据IFED，地球现在有六十四亿七千七百万人，第六十五亿人将在十二月的某一天于亚洲出生。
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。
This year's World Population Day falls during a milestone year, when we anticipate the birth of the earth's seven billionth inhabitant.
今年是具有里程碑意义的一年，预计今年地球人口将达到70亿。
Much hype has surrounded the idea of nanotechnology-the thought that manipulating objects on scales of a billionth of a metre will produce useful products.
现在许多炒作都是围绕纳米这一技术做文章—其想法是通过操控十亿分之一米尺度的物体可以生产出有用的产品。
Researchers usethese X-ray flashes to resolve structures as small as one ten billionth of ameter (0.1 nanometer) in size. That is roughly the diameter of a hydrogen atom.
【译】研究人员用X射线光来分辨尺寸为百亿分之一米（即0.1纳米）的微小结构，这种尺寸结构接近氢原子直径。
However, after the experiment described above the difference in time between the two clocks was less than a billionth of a second, which is why very accurate clocks were needed.
但是经过上述实验后，两个钟表的时间差距不到十亿分之一秒，所以需要用两个非常精准的钟表。
Over these distances, the distortions of space are approximately a billionth the size of an atom-sufficient to cause noticeable differences in the phase of the combining light beams.
在这么长的距离之下，即使只有十亿分之一个原子大小的空间扭曲，也足以使光束在合并时出现相位差。
The crucial trick is that although both the electrodes and the electrolyte appear solid, they are actually finely structured at the nanometre scale (a nanometre is a billionth of a metre).
关键点是虽然电极和电解质显然是固态的，它们事实上却具有完美的纳米(一纳米即十亿分之一米)构造。
As well as being very hot, the ionised gas of the corona (called plasma) has a superthin consistency. It is less than a billionth of the density of the hydrogen that makes up the main ball of the Sun.
日冕的电离气体（又叫等离子体）不仅非常炙热，而且异常稀薄，其密度还不到组成太阳主体的氢气密度的十亿分之一。
As well as being very hot, the ionised gas of the corona (called plasma) has a superthin consistency. It is less than a billionth of the density of the hydrogen that makes up the main ball of the Sun.
日冕的电离气体（又叫等离子体）不仅非常炙热，而且异常稀薄，其密度还不到组成太阳主体的氢气密度的十亿分之一。
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