“limestone”的概念、定义、翻译、参考文献-科学参考

单词	limestone
释义	limestone [`līm´stōn] ^PETROLOGY 1. A sedimentary rock composed dominantly (more than 95) of calcium carbonate, principally in the form of calcite; examples include chalk and travertine. 2. Any rock containing 80% or more of calcium carbonate or magnesium carbonate.
随便看	production packer production program production reactor production requirements production standard production tank production test production time production track production tubing productive cough productive time productivity productivity index productivity ratio phonograph pickup phonograph record phono jack phonolite phonon phonon-drag effect phonon-electron interaction phonon emission phonon wind phonophobia

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。