“PN”的概念、定义、翻译、参考文献-科学参考

单词	PN
释义	PN Encyclopedia 医学肠外营养释 parenteral nutrition; PN肠外营养通过胃肠道以外途径（即静脉途径）提供营养支持（包括氨基酸、必需脂肪酸、维生素、电解质和微量元素等）的方式。 Astronomy PN全称：planetary nebula。行星状星云
随便看	lead lead accumulator lead acetate lead acetate; sugar of lead Lead-acid battery lead acid battery lead-acid battery lead acid storage battery lead-acid storage battery lead alkali metal alloy lead alloys for lead-acid battries lead and zinc flotation lead angle method lead arsenate lead azide lead bath quenching lead battery metal lead beam lead bearing steel lead-bismuth cooled reactor lead bullet lead carbonate basic lead carbonate, basic lead carbon battery lead castle

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。