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ore pillar for mining
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为保护地表地貌、地面建(构)筑物和主要井巷,分隔采区或矿段,以及防水等而留设不采或暂时不采的部分矿体。煤矿中也称煤柱。
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quantized enveloping algebra
quantized feedback
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quantized field theory
quantized filtering
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quantized universal enveloping algebra
quantized vortex line
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