“Regulations on Administration of Sand Excavation in the Courses of the Yangtze River”的概念、定义、翻译、参考文献-科学参考

单词	Regulations on Administration of Sand Excavation in the Courses of the Yangtze River
释义	Regulations on Administration of Sand Excavation in the Courses of the Yangtze River Encyclopedia 工学水利政策法规释 Regulations on Administration of Sand Excavation in the Courses of the Yangtze River《长江河道采砂管理条例》中国为加强长江河道采砂管理，维护长江河势稳定，保障防洪和通航安全所制定的行政法规。
随便看	photon production photon recoil effect photon rocket photon scanning tunneling microscope photon scanning tunneling microscope, PSTM photon scanning tunnel microscope photon scattering photon sieve photon sieve telescope photon sphere photon state photon statistics photon stimulated desorption photon stimulated desorption, PSD photon to electron conversion efficiency photon-to-electron conversion efficiency photon-to-electron coversion efficiency photon trapping photonuclear photonuclear absorption photonuclear reaction photonucleation photon up conversion photon up-conversion photo-optics

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。