“地层”的概念、定义、翻译、参考文献-科学参考

单词	地层
释义	地层 Encyclopedia 理学地层释 stratum地层具有某种共同特征或属性的岩石体。法学考古人类学释 stratum地层由层面或沉积间断面分开的，具有一定层位的一层（一组）岩石或土壤，及每个层面中的人类文化活动痕迹。
随便看	excitation at make excitation by electron impact excitation conduction excitation-contraction coupling excitation cross-section excitation current control excitation curve excitation energy excitation equipment excitation flow excitation function excitation labeling excitation lifetime excitation light source excitation mechanism excitation of hydrogenerator excitation of synchronous motor excitation of turbulence excitation potential excitation spectrum excitation system excitation system ceiling voltage ratio excitation system of hydro-generator excitation system protection excitation system voltage response ratio

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。