“ostium cardiacum”的概念、定义、翻译、参考文献-科学参考

单词	ostium cardiacum
释义	ostium cardiacum 贲门口
随便看	positive taxis positive temperature coefficient positive temperature coefficient (PTC) positive terminal positive term series positive test positive thread positive thrust positive top front rake positive torsion positive traction differential positive transfer positive transition positive transmission positive triggering pulse positive tropism positive tube positive twist positive type positive type function positive unloading stripper positive valence positive valency positive value positive valve

科学参考收录了1248194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。