“ring jewel”的概念、定义、翻译、参考文献-科学参考

单词	ring jewel
释义	ring jewel [`riŋ ´jül] ^{DESIGN ENGINEERING} A type of jewel used as a pivot bearing in a time-keeping device, gyro, or instrument.
随便看	sodium phosphotungstate sodium phytate sodium picramate sodium platinichloride sodium plumbite sodium polymannuronate sodium polysulfide sodium propionate sodium pyroborate sodium pyrophosphate sodium saccharin sodium salicylate sodium selenate sodium selenite sodium sesquicarbonate sodium sesquisilicate sodium silicate sodium silicoaluminate sodium silicofluoride sodium stannate sodium stearate sodium subsulfite sodium succinate sodium sulfate sodium sulfhydrate

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。