“危害性物质”的概念、定义、翻译、参考文献-科学参考

单词	危害性物质
释义	危害性物质 Encyclopedia 工学机械安全释 hazardous substance危害性物质有害健康的化学或生物介质。
随便看	nearest neighbor classification nearest neighbor estimate nearest neighbor method nearest neighbor model nearest neighbor problem nearest neighbor query nearest neighbor regression estimation nearest neighbor search nearest neighbor searching nearest neighbors estimate nearest neighbour imputation nearest prime nearest star near-far effect near far field transformation near-far-field transformation near field near-field near-field antenna measurement method near field communication near field communication, NFC near field communication，NFC near-field cosmology near-field heat radiation near field imaging

科学参考收录了854744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。