“single circulation”的概念、定义、翻译、参考文献-科学参考

单词	single circulation
释义	single circulation Encyclopedia 理学脊椎动物亚门释 single circulation单循环除肺鱼类外，不管是无颌类的头甲纲，还是软骨鱼纲和硬骨鱼纲的鱼类，血液循环都是单循环。
随便看	resource curse hypothesis resource curse thesis resource dependence Resource Dependence Theory resource depletion Resource Description and Access，RDA resource description framework resource description framework data management resource description framework, RDF resource development resource development and utilization management resource development benefits resource development early warning resource development elements resource development investment resource development risk control resource development risk management resource development risk retention resource discovery resource discovery service resource distribution resource drag in growth resource early warning system resource ecology resource economic management

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。