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β射线法
释义
β射线法
Encyclopedia
工学
β射线法
释
β ray method
β射线法
利用颗粒物对β射线的吸收原理来测定颗粒物浓度的方法。
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water resources development and utilization management
Water Resources Development Research
Water Resources & Hydropower of Northeast China
water resources in China
Water resources informatization
Water Resources Informatization Specialized Committee
water resources in the world
water resources investigation and assessment
water resources management
water resources of China
water resources optimal allocation
water resources payment
water resources planning
water resources planning and design
water resources protection
water resources protection forest
water resources scheduling
water resources value accounting
water resources zoning
water resource tax
water resource use
water-retaining agent
water retaining buildings in ancient China
water retaining structure
water retention of fiber
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