“海胆纲”的概念、定义、翻译、参考文献-科学参考

单词	海胆纲
释义	海胆纲 Encyclopedia 理学海胆纲释 None海胆纲棘皮动物门的一纲。通称海胆。
随便看	mining products safety approval and certification mining radioactivity mining rayleigh wave prospection mining rayleigh wave seismometer mining right mining rights management mining safety management mining scraper conveyor mining seismic advanced exploration mining sequence mining ship mining shovels mining simulation mining slope accident mining solid waste mining subsidence pit mining subsidence pit reclamation Mining Supervisor and Tax Collector mining survey mining survey database mining survey engineering modeling mining systems engineering mining theodolite mining under shallow cover Mining Union of Upper Katanga

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。