“principal meridian”的概念、定义、翻译、参考文献-科学参考

单词	principal meridian
释义	principal meridian [`prin·sǝ·pǝl mǝ`rid·ē·ǝn] ^{CIVIL ENGINEERING} One of the meridians established by the United States government as a reference for subdividing public land.
随便看	silt soil siltstone silttil Silurian Siluridae Siluriformes Siluroidei Silvanidae silver silver acetate silver acetylide silver alloy silver arsenite silver arsphenamine silver battery silver brazing silver brazing alloy silver bromate silver bromide silver-cadmium storage battery silver carbonate silver chloride silver chromate silver coating silver cyanide

科学参考收录了103327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。