“平衡石”概念、定义、翻译-科学时代

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。

单词	平衡石
释义	请查阅听石--平衡石
随便看	PPBS (Planning Programming Budgeting System) PPBS--PPBS (Planning Programming Budgeting System) PPBS--PPBS（planning-programming-budgeting system） PPBS（planning-programming-budgeting system） PPBS（planning-programming-budgeting system） PPC (paper partition chromatography) PPC (pay-per-call) PPC (pay-per-click) PPC (Pocket PC) PPC掌上电脑 PPD ppd. PPD ppd ppd # PostScript打印机描述文件 PPD--PPD (predicted percentage dissatisfied) ppd.--ppd. (prepaid) PPD--PPD (principle of professional development) PPD (predicted percentage dissatisfied) ppd. (prepaid) PPD (principle of professional development) PPE PPE (performance planning and evaluation) PPE (performance planning and evaluation) PPE (polyphenylene ether)