氮化镓

Experimental Treatment Targets Drug-Resistant Bacteria You probably have heard about the Trojan Horse. Tradition says the ancient Greeks used a large wooden horse to trick enemy forces and capture the city of Troy. Now, researchers say a similar plan

发表于:2018-12-08 / 阅读(109) / 评论(0) 分类 2018年VOA慢速英语(十)月

Science and Technology Materials science Cracking a problem 科技 材料科学 通过裂纹解决问题 Another use for a fashionable, new material 一种流行新材料的新用途 LIKE all other human activities, science is subject to fads. 像其它

发表于:2019-01-26 / 阅读(110) / 评论(0) 分类 经济学人科技系列