尽管黄金微粒仅有60纳米的宽度,但每个小颗粒内都含有数百万计的黄金原子。
Despite being just 60 nanometres across, each of his dots contains millions of atoms of gold.
介绍了具有频率测量、脉冲周期测量、脉冲宽度测量以及脉冲信号占空比测量等功能的数字频率计。
It introduces a digital cymometer which has the functions of frequency measuring, pulse cycle measuring, pulse width measuring and pulse signal ratio measuring.
在静载试验中对混凝土裂缝宽度的量测采用HJ系列混凝应变计,获得了较精确的试验结果。
On the static loading test, to obtain a more precise result, the HJ series of concrete sensor was used to measure concrete crack width.
奈米级的技术,比人类头发宽度还小10万倍,目前已用于数以百计的普通产品中,如汽车燃油管、床单以及化妆品。
Nano-scale technologies, 100,000 times smaller than the width of a human hair, are now used in hundreds of ordinary items from car fuel lines, bed sheets and cosmetics.
贵方是否可以提供步数计的尺寸大小?我方需要依此设计外壳。重点关注其宽度和进深。
Could you please advance us the size OS the pedometer We need it for the outside box. Specially the with and the depth.
贵方是否可以提供步数计的尺寸大小?我方需要依此设计外壳。重点关注其宽度和进深。
Could you please advance us the size OS the pedometer We need it for the outside box. Specially the with and the depth.
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