附加元件
立即下載 Mozilla Firefox，體驗快速、自由地在網路中穿梭，並且享受成千上萬的擴充套件！
關閉
ScienceDirect Scientific Search 20111102
作者: Search Master
Elsevier's ScienceDirect is one of the largest online collections of published scientific research. The articles are grouped in four main sections: Physical Sciences and Engineering, Life Sciences, Health Sciences, and Social Sciences and Humanities.
關於此附加元件
An information source for scientific, engineering, technical, and medical research
For most articles on the website, abstracts are freely available
For most articles on the website, abstracts are freely available
