“primary classification”概念、定义、翻译-科学时代

单词	primary classification
释义	商务词汇手册 primary classification 最初分类
随便看	vertical screw conveyor vertical screw mixer vertical scroll vertical scrolling vertical seal machine vertical section vertical section vertical section vertical seeking ejection seat vertical seeking ejection seat--vertical seeking ejection seat（VSS） vertical seeking ejection seat（VSS） vertical seismic profile vertical seismic profile log vertical seismic profiles survey vertical seismic profiles survey--vertical seismic profiles survey （VSP survey） vertical seismic profiles survey （VSP survey） vertical seismic profile（VSP） vertical separation vertical service provider vertical service provider--vertical service provider (VSP) vertical service provider (VSP) vertical seta vertical shading vertical shaft vertical shaft

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。