A nanometer is one one-billionth of a meter or about 100, 000 times smaller than the width of a human hair.

一纳米是一米的一百亿分之一，或者比一根人的头发要小十万倍。

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And introduce a key design of high precision and width frequency area of phase meter.

并介绍一种高精度、宽频率范围的相位表的关键设计。

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The roof design as giantism light membrane structure about 700 meter long and about 80 meter width, like a spray of white clouds swift, graceful and elegant in the blue sky.

世博轴工程采用了全新的建筑形式，屋顶设计为长约700米、宽约80米的巨型轻型索膜结构，形如蓝天下的朵朵白云，轻盈飘逸。

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The nebulous field of nanotechnology, freighted with as much hype as legitimate promise, boils down to the process of manipulating matter on a molecular scale (a nanometer is one-billionth of a meter, about the width of ten hydrogen atoms).

FORBES: The Science of Small

The nebulous field of nanotechnology, freighted with as much hype as legitimate promise, boils down to the process of manipulating matter on a molecular scale (a nanometer is one billionth of a meter, about ten times the width of a hydrogen atom).

FORBES: The science of small