“proximity switch”的概念、定义、翻译、参考文献-科学参考

单词	proximity switch
释义	proximity switch Encyclopedia 工学日用电器释 proximity switch接近开关当运动着的物体与其接近到一定位置时，即能发出信号以控制运动物体的位置或行程，或控制自动计数的一种主令电器。
随便看	popular word populate populated population population aggregated distribution population aging population aging level Population and Family Planning Law Population Atlas of China Population attributable Fraction，PAF population attributable risk，PAR population balance density population balance mode population-based strategy population-based study population behavior of complex financial systems population biology population bottleneck population capacity population carrying capacity population census population census of China population characteristic population classification population colonization

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。