“人痘接种术”的概念、定义、翻译、参考文献-科学参考

单词	人痘接种术
释义	人痘接种术 Encyclopedia 理学中国传统医学史释 smallpox inoculation人痘接种术采用人工方法，使被接种者感染一次天花而获得终身免疫的预防技术。这一技术起源于中国。
随便看	voltage grade of distribution system voltage loss voltage maximum permissible in cold state voltage measurement voltage-multiplier rectifier circuit voltage plateau voltage platform voltage-proof voltage protection voltage ratio formula of transformer voltage-ratio formula of transformer voltage regulating devices of transformer voltage regulation and control voltage regulation in rural electric power networks voltage regulator voltage response voltage source voltage source inverter by self-commutation voltage source inverting circuit voltage stabilizer voltage stabilizing circuit voltage stabilizing diode voltage standard voltage standing wave ratio voltage step

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