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。
2
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。
3
The roof design as giantism light membrane structure about 700 meter long and about 80 meterwidth, like a spray of white clouds swift, graceful and elegant in the blue sky.