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billionths ˈbɪljənθs COCA⁹²³⁴²BNC¹²⁶⁴¹⁶⁺⁴Economist²⁴¹⁰⁶⁺⁶ 基本例句 num.第十亿个;十亿分之一原型billionth的复数 Chilled to just billionths of a degree above absolute zero, individual sodium atoms become a single, dense glob, atoms vibrating in lockstep. 亿分之一度的低温时,钠原子就变为一种单独、密集的原子团,此时,钠在“步伐一致地”振动。 hjenglish THE brains inside computers, called microprocessors, are measured in nanometres and their speed in the billionths of a second. 计算机的核心,被称作微处理器,用纳米来衡量技术水平,其运算速度达到一秒数十亿次。 ecocn THE field of nanotechnology— making widgets just a few billionths of a metre across— has been slow to take off. 纳米科技领域仅有一米的十亿分之一的宽度制造小器具一直都经历着过慢的发展。 ecocn Travelling through700km 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。 tingvoa With MRFM, the sample to be examined is attached to the end of a tiny silicon cantilever about100 millionths of a meter long and100 billionths of a meter wide. 磁共振力显微技术的原理是,将被测样本附着在一个很小很小的硅悬臂上约为1亿分之一米长和1000亿分之一米宽。 yeeyan 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。 ecocn Carbon nanotubes, which are just billionths of a metre across, seemed the perfect needle. 纳米碳管的直径仅有一米的十亿分之一长,是最理想的金属针。 ecocn Electrons flowing through the chip would“ see” a magnetic field that flips from one direction to the opposite every few hundred nanometres billionths of a metre. 穿过芯片的电子可以“识别”某一磁场,该磁场每隔几百纳米十亿分之一米就变换一次方向。 ecocn Gold nanoparticles — tiny spheres of gold just a few billionths of a meter in diameter— have become useful tools in modern medicine. 黄金纳米粒子,这一直径只有十亿分之一米的黄金小球,如今在现代医学领域中又有了新的用途。 yeeyan He and his colleagues have discovered that the conditions change if a photovoltaic cell is placed a few hundred nanometres billionths of a metre from a hot surface made of silicon carbide alloy. 他和他的同事们发现,如果将光伏电池放在距碳化硅合金材料的发热表面几百纳米十亿分之一米远的位置,情况就会发生变化。 hainan In effect, nanotubes act as wires a few billionths of a metre in diameter. 实际上,碳纳米管起着金属丝的作用,其直径仅为十亿分之几米几纳米。 ecocn In a photonic crystal the elements are about the same size as the wavelength of light—a few hundred nanometres billionths of a metre. 在光子晶体中,其成分与光的波长是同样的大小——几百纳米一米的十亿分之一。 ecocn In the course of doing the experiments, the researchers noticed that the particles showed up a few billionths of a second sooner than light would over the same distance. 在实验的过程中,研究人员发现这些粒子的用时比光要少了几十亿分之一秒。 yeeyan In this state, each atom’s quantum wave- function— its effective size— extends several billionths of a metre from its nucleus. 在这种状态下,每一个原子的量子微波函数---即它的有效作尺寸---将以原子核为中心延展到十亿分之几米即纳米的范围。 ecocn 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。 yeeyan Now the size of transistors is measured in billionths of a metre. 而现在的晶体管尺寸可用十亿分之一米纳米计算。 ecocn Quantum dots are semiconductor nanostructures,25 billionths of a meter in diameter, which can confine electrons in three dimensions and emit light when exposed to ultraviolet radiation. 量子点是一种直径为25纳米的半导体物体,当有紫外线的照射时,它能把电子限制在三维空间并产生光源。 dxy Quantum dots are tiny crystals of semiconducting material just a few tens of atoms, or a few nanometres billionths of a metre, across. 量子点是一些微型晶体,材质为几十个原子宽,或几纳米一米的十亿分之一宽的半导体材料。 ecocn Shockingly, the neutrinos appeared to beat light speed by60 billionths of a second. 令人震惊的是,中微子出现了以1秒钟里的10亿分之60击败了光速的试验结果。 yeeyan The second advance is a way of switching thousands of volts on and off in a few billionths of a second, a previously impossible feat. 第二个是可在数亿分之一秒的时间里实现数千伏电压的通断,这是一项前所未有的成就。 ecocn The current state of the art for chip manufacturing is30 nanometers, which means the average size of a chip component is just30 billionths of a meter across. 根据现阶段的技术发展水平制造的芯片直径是30纳米,也就是说,芯片零部件的平均尺寸大概是300亿分之一米。 ednchina The two substances themselves are arranged in tiny spheres less than50 billionths of a metre across. 这两种物质分别排列在直径小于50纳米的球体中。 ecocn They tweaked the composition, shape and size of the antennae until they arrived at spiral structures a few nanometres billionths of a metre across. 他们对天线组成、形状和大小进行细致地调整直到螺旋装置的宽度只有几个纳米1纳米为10亿分之一米。 xdf |