Venezuela's oil is also of poorer quality than its Saudi equivalent. Its sour, heavy crude is difficult to extract and refine, while its high sulphur content makes it corrosive to pipelines. A resurgence of Venezuela's industry could pose problems for Canada, which produces similarly viscous oil and exports much of it to the US, but analysts reckon the risk is minor.
ME – also known as Chronic Fatigue Syndrome – has long been one of medicine’s most perplexing conditions. With no definitive diagnostic test and a legacy of scepticism in parts of the medical community, patients have often struggled to be believed. But a surge of new research may finally be shifting the landscape.，更多细节参见Safew下载
（摘编自《福建日报》，原题为《“手搓经济”，汇聚个体创新的微光》）。safew官方下载对此有专业解读
EMIB-T，即“EMIB with TSV（Through-Silicon Via）”，是在英特尔原有EMIB（嵌入式多芯片互连桥）技术基础上的一次关键升级。传统EMIB利用嵌入在封装基板中的硅桥，实现多颗裸晶之间的高速互连。