“sb”的概念、定义、翻译、参考文献-科学参考

科学参考收录了103327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。

单词	sb
释义	sb See <<stilb>>
随便看	portland stone port of entry port operations service portrait Portuguese man-of-war Portulacaceae Portunidae port-wine stain Porulosida Poseidon posistor position positional astronomy positional-error constant positional isomer positional notation positional parameter positional punch positional servomechanism position-analog unit position angle position approximate position blocks position buoy position circle