“出现时刻”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	出现时刻
释义	海洋与水文词汇手册出现时刻 time of occurrence
随便看	price-earnings ratio price-earnings ratio price-earnings ratio (PER) price-earnings ratio (P/E ratio) price-earnings ratio (P/E ratio) price-earnings ratio--price-earnings ratio (PER) price-earnings ratio--price-earnings ratio (P/E ratio) price-earnings ratio--price-earnings ratio（P/E ratio） price-earnings ratio（P/E ratio） price effect price effect price effect price effect price-elastic demand price elasticity price elasticity price elasticity price elasticity price elasticity price elasticity price elasticity of demand price elasticity of demand price elasticity of demand price elasticity of demand price elasticity of supply