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radioactive materials
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radioactive materials
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放射性物品有广义和狭义之分。广义的放射性物品泛指能够放射出射线的物品。狭义的放射性物品是指含有放射性核素且比活度和放射性总活度分别超过基本限值的物品。
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state monopoly for marketing
state monopoly for purchase and marketing
state monopoly for purchase and marketing of grain
state monopoly of the purchase and marketing
State Museum of History of Uzbekistan
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State National Education Standards
State Nobility: Elite Schools in the Field of Power
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