“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	sheaf of parallel lines sheaf of planes sheaf of regular functions sheaf of relations sheaf of rings sheaf of semigroups sheaf of sets sheaf of spheres sheaf of total quotient ring sheaf space sheaf theory shear shear Alfven wave shear Alfvén wave shear angle shear band shear center shear deformation shear deformation characteristics of rock mass shear difference method shear dilation effect shear dilution of drilling fluid shear distortion shear-dominated encounter shearer-loader

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。