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Ruby on Rails is an open source framework developed to increase programmer productivity and reduce entry barriers to programming Web applications. Ruby on Rails is a novel Web 2.0 framework that attempts to combine PHP's simple immediacy with Java's architecture, purity, and quality. RoR is based on the dynamically typed, object-oriented Ruby programming language. 相似文献
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Blaser S. Bachle A. Jochum S. Hvozdara L. Vandeputte G. Brunner S. Hansmann S. Muller A. Faist J. 《Electronics letters》2007,43(22)
Continuous-wave operating singlemode quantum-cascade lasers with a threshold current of 75 mA and total power consumption of less than 2 W are presented. The lasers are grown by metal-organic vapour- phase epitaxy; they function up to temperatures higher than 50degC and the emission wavelength is 5.25 mum. 相似文献
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