1. 医学: ? ? - The New England Journal of Medicine:74.699 ? ? - The Lancet:74.764 ? ? - JAMA - Journal of the American Medical Association:48.008 2. 物理学: ? ? - Physical Review Letters:8.385 ? ? - Nature Physics:26.605 ? ? - Reviews of Modern Physics:41.298 3. 化学: ? ? - Journal of the American Chemical Society:14.612 ? ? - Angewandte Chemie International Edition:12.959 ? ? - Chemical Reviews:63.273 4. 生物科学: ? ? - Cell:46.217 ? ? - Nature Genetics:32.473 ? ? - Science:41.037 5. 工程学: ? ? - Proceedings of the IEEE:10.694 ? ? - Advanced Materials:30.849 ? ? - Journal of Controlled Release:14.476 6. 地球科学: ? ? - Nature Geoscience:15.387 ? ? - Earth-Science Reviews:13.291 ? ? - Geology:7.171 7. 环境科学: ? ? - Environmental Science & Technology:9.550 ? ? - Global Change Biology:9.254 ? ? - Nature Climate Change:26.662 8. 计算机科学: ? ? - IEEE Transactions on Pattern Analysis and Machine Intelligence:13.956 ? ? - ACM Computing Surveys:9.227 ? ? - IEEE Transactions on Knowledge and Data Engineering:6.328 9. 数学: ? ? - Annals of Mathematics:3.091 ? ? - Journal of the American Mathematical Society:4.710 ? ? - Journal of Differential Geometry:3.379 10. 经济学: ? ? - Quarterly Journal of Economics:12.766 ? ? - Econometrica:7.695 ? ? - The American Economic Review:7.677 |