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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。
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water curtain system
water cut
water cycle
water cycle change
water delivery equipment
water demand
water demand management
water demand of social and economic development
water denitrifiers
water depth of lake
water diffusion due to kidney deficiency
water discharge metering
water disinfection
water dispatch contingency plan
water dispersible granules
water displacing corrosion preventive compound
water dispute
water disputes
water distribution outlet
water diuresis
water diversion
water diversion for noshing sand
water diversion from Wenshui River to Grand Canal
water diversion project
Water Diversion Project at Upper Reaches of Huangpu River
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