“Iron Age”的概念、定义、翻译、参考文献-科学参考

单词	Iron Age
释义	Iron Age [`ī·ǝrn ¦āj] ^ARCHEOLOGY Period characterized by production and widespread use of iron, starting approximately 1000 B.C.
随便看	sound navigation and ranging sound power sound-powered telephone sound pressure sound pressure level sound production soundproofing sound ranging sound-ray diagram sound reception sound recording sound reduction factor sound reflection coefficient sound-reinforcement system sound-reproducing system sound reproduction sound sensation sound signal sound spectrograph sound spectrum sound speed soundstripe sound system sound track sound transducer

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。