Nano means tiny, so it's science and engineering on the scale of atoms and molecules. The idea is that by controlling and rearranging atoms, you can literally create anything. However, as we'll see, ...

“Scale” 既可以作名词，也可以作动词使用。它的名词含义包括 “标度，单位”、“范围，规模” 和 “鳞，鳞片”。作动词时，“scale” 可以怎么用？看视频，学习单词 “scale” 的常见用法。 用法总结 1.名词 “scale” 可以指 “（温度、重量等的）标度，刻度 ...

WINDHOEK, Jan. 11 (Xinhua) -- Namibia has engaged emerging and small-scale miners as part of efforts to expand mineral beneficiation and broaden local participation in its mining sector, the country's ...