十亿分之

[shí yì fēn zhī]

汉英

网络释义

n.
1.
PPB

例句

释义:
全部全部,PPBPPB,ppbppb,p.p.b. parts per billonp.p.b. parts per billon,part per billonpart per billon
类别:全部全部,口语口语,书面语书面语,标题标题,技术技术
来源:全部全部,字典字典,网络网络
难度:全部全部,简单简单,中等中等,难难
1.
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。
www.ecocn.org
2.
UN official said the radiation reaching America is 'about a billion times' beneath health-threatening levels.
一个联合国官员说到达美国的辐射只有威胁健康水平的“十亿分之一”。
sinaurl.cn
3.
But the design requires that this silicon layer be no more than five nanometres (billionths of a metre) deep.
但此设计要求硅片厚度不超过5纳米（一米的十亿分之一）。
www.ecocn.org
4.
Most of the new elements that get created like this last billionths of a second before they disintegrate.
大多数被创造出来的新元素在衰变以前只能存在十亿分之一秒。
article.yeeyan.org
5.
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）。
www.ecocn.org
6.
Other test objects had dimensions of only a few nanometers, or billionths of a meter.
其他被试物体的尺寸只有几个纳米，或十亿分之一米。
blog.163.com
7.
Wasps can smell chemicals in concentrations as tiny as a few parts per billion in the air.
黄蜂能够嗅出极小浓度的化学成份，哪怕它们在空气中的含量是十亿分之几个单位。
iask.sina.com.cn
8.
Researchers assembled flat ribbons of nanoparticles - tiny bits of matter only billionths of a meter long - in a darkened laboratory.
研究人员在漆黑的实验室里聚集了细小到只有一米的十亿分之一个的纳米物质的扁平带子。
article.yeeyan.org
9.
So, what happens when a one-in-a-billion bug causes the software to crash, or the safety valves are not operated properly?
所以，当一个十亿分之一的故障导致软件崩溃，或者安全阀没有适当操作时，将会发生什么？
ecocn.org
10.
Travelling through 700km of rock, the particles seemed to show up billionths of a second earlier than they should have.
这些粒子在岩石中运行700千米时，达到终点比原来预料的要早十亿分之一秒。
tous.ricolxwz.net