“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	rock moisture content experiment rockoon rockoon sounding rock ore appraisal sampling rock/ore radioactivity Rockot launch vehicle Rock Painting Rock Painting of Tibet rock paintings in Alxa League rock paintings in Chifeng City rock paintings in Dengkou County rock paintings in the Baicha River basin rock paintings in the depopulated zone of northern Tibet rock permeability rock permeability coefficient rock permeability experiment rock physical and mechanical properties rock physical model experiment rock physical properties experiments rock-plant rock plants rock plasticity rock porgy rock porosity experiment rock proportion experiment

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。