作为陕北革命老区首条高铁，西延高铁压缩时空，激活沿线经济，把老区纳入交通网。延安红色旅游、特色农业与西安科技、文创产业实现深度融合。
Author(s): Luca Benzi, Diana Nelli, Pascal Andreazza, Riccardo Ferrando, Georg Daniel Förster
，详情可参考同城约会
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Solving Open Source Sustainability Together Our world runs on open source software that is mostly built and maintained by unpaid volunteers. Unstable funding of critical OSS poses serious risks for all of us.