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天津青龙湾固沙林自然保护区
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天津青龙湾固沙林自然保护区
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理学
〔自然保护区〕
释
Tianjin Qinglongwan Sand-fixation Forest Nature Reserve
天津青龙湾固沙林自然保护区
中国天津市以保护典型沙地生态系统、固沙林和生物多样性为主要内容的自然保护区。
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polycomponent
polycomponent coordination compound
polycondensate
polycondensation
polycondensation monomer
polycondensation process
polycondensation reactor of polyester
polyconic projection
polyconic projection with meridional intervals on same parallel decrease away from central meridian by equal difference
polyconic projection with meridional intervals on same parallel decrease away from central meridian by tangent difference
polycrase
polycritical point
polycrystal
polycrystalline
polycrystalline diamond compact bit
polycrystalline diamond cutting tool
polycrystalline ingot
polycrystalline material
polycrystalline polymer
polycrystalline silicon
polycrystalline silicon solar cell
polycrystal semiconductor
polycrystal silicon
polycrystal X-ray diffractometry
polycube
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