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青藏铁路环境保护
释义
青藏铁路环境保护
Encyclopedia
工学
铁路建设环境保护
释
environmental protection of Qinghai-Tibet Railway from Golmud to Lhas
青藏铁路环境保护
在青藏铁路建设和运营过程中采取的生态保护、污染物处理、水土流失防护等系统措施。
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closedness
closedness of dictionary
closed normal form
closed n-sphere
closed object
closed oil gathering process
closed-open set
closed operator
closed orbit
closed orthogonal sequence
closed orthogonal system
closed orthonormal system
closed path
closed path Green's function
closed path; loop
closed path space
closed pipe
closed plane
closed pneumothorax
closed point
closed point set
Closed Population
closed power station
closed professional sports league
closed pseudo-manifold
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