“synchronous digital hierarchy，SDH”的概念、定义、翻译、参考文献-科学参考

单词	synchronous digital hierarchy，SDH
释义	synchronous digital hierarchy，SDH Encyclopedia 工学【复用概念】释 synchronous digital hierarchy，SDH同步数字体系基于同步复用技术的数字复用体系。
随便看	geodetic inversion of earthquake rupture model geodetic latitude geodetic longitude geodetic network geodetic number geodetic nutation geodetic origin geodetic origin data geodetic precession geodetic problem solution Geodetic Reference System geodetic reference system geodetic refraction geodetics GEOdetic SATellite geodetic satellite geodetic survey geodetic surveying geodetic triangle geodetic very long baseline interferometry geodetic VLBI geodetic zenith geodimeter Geodynamic Experimental Ocean Satellite geodynamic forward modeling

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。