一、Nanotechnology:Technology on a Small Scale 听力原文： Today we’re going to look at an important area of science, namely nanotechnology. So what is it? Nano means tiny, so it's science and engineering on ...

COLOMBO, Sept. 2 (Xinhua) -- Sri Lanka will establish 25 mini technology incubation centers across the country to support rural industries and small entrepreneurs, the Ministry of Science and ...