海量图书期刊资源，随时随地畅享阅读乐趣
[IEEE G-MTT 1970 International Microwave Symposium - Newport Beach, CA, USA (1970.05.11-1970.05.14)] G-MTT 1970 International Microwave Symposium - K-Band, Cryogenically Cooled, Wideband Nondegenerate Parametric AmplifierTakahashi, S.; Nojima, M.; Fukuda, T.; Yamada, A. · 1970