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中国农田水利史
释义
中国农田水利史
Encyclopedia
理学
〔农田水利史〕
释
the history of irrigation and water conservancy in China
中国农田水利史
水利是农业的命脉,几千年的农田水利兴废,在中国农业历史中有着重要的影响。
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polyclimax
polyclimax hypothesis
Polyclitus
polyclonal antibody
polycoagulant
Polycomb silencing
Polycomb沉默
polycomplex
polycomplexation
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
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