“underground pedestrian system”的概念、定义、翻译、参考文献-科学参考

单词	underground pedestrian system
释义	underground pedestrian system Encyclopedia 工学地下交通释 underground pedestrian system地下步行系统地铁站点、下沉广场、地下商业建筑等城市公共地下空间由地下步行通道有序连接形成的连续步行网络体系。
随便看	negative refraction index materials negative-refraction-index materials negative refractive index negative regression negative reinforcement negative relation negative resistance negative resistance amplifier negative-resistance device negative-resistance oscillator negative response negative result negative root negative rotation negative selection negative semi-definite negative semi-definite form negative semi-definite kernel negative semi definite matrix negative semi-definite matrix negative semi-definite operator negative semi definite quadratic form negative semi-definite quadratic form negative semi-definte quadratic form negative semi-orbit

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