“coal ball”的概念、定义、翻译、参考文献-科学参考

单词	coal ball
释义	coal ball Encyclopedia 理学古植物学释 coal ball煤核产在煤层中的钙质或镁质结核。
随便看	unstructured decision unstructured decision making unstructured grid unstructured group counseling unstructured interview unstructured peer-to-peer systems unstructured questionnaires unsubsidized natural solar-powered ecosystem unsubtracted dispersion relation unsuitable unsuitable value un-Sun-like star unsupervised classification unsupervised learning unsupported unsupported-area principle unsupported-area seal unsuppressed sideband unsurveyed unswept pumping unsymmetric unsymmetrical unsymmetrical dimethylhydrazine unsymmetrical dimethylhydrazine poisoning unsymmetrical load

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。