Alice squeezes even more out of the aluminum by using nano-scale particles with diameters of 80 nanometers , or 500 times smaller than the width of a human hair .
alice通过比人类头发细500倍、直径80纳米的纳米颗粒,甚至能从铝中获得更多。
The distant worlds , labeled kepler-20e and 20f , orbit a star called kepler-20 located 950 light-years away , and have diameters 0.87 times and 1.03 times that of earth , respectively .
Several non-us companies such as pentel , pilot , and uni-ball currently manufacture colored refill leads in a limited range of diameters ( 0.5mm , 0.7mm , or 2mm ) for their own products .
It 's estimated to extend 11 earth diameters end to end .
估计从头到尾它蔓延了约有11个地球直径的范围。
These aging starshave expanded to many times their original diameters and cooled .
这些古老恒星的直径较最初扩大了许多倍,并且已经冷却。
Average mature redwoods stand between 200 to 240 feet tall and have diameters of 10 to 15 feet .
成熟红杉平均200至240英尺高,直径为10到15英尺。
The researchers could move particles to a target located 0.5 meters away with an accuracy of 10 micrometers , which they demonstrated using particles with diameters between 60 micrometers and 100 micrometers .