"precovering" meaning in English

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  "etymology_text": "pre- + covering",
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      "expansion": "precovering (not comparable)",
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  "lang_code": "en",
  "pos": "adj",
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          "ref": "2015, Junfu Wang, Zhaoyong Huang, “Applications of Exact Structures in Abelian Categories”, in arXiv",
          "text": "In this case, we get a strengthened version of the translation of the Wakamatsu lemma to the exact context, and also prove that subcategories which are #x5C;mathcal#x7B;E#x7D;-resolving and epimorphic precovering with kernels in their right #x5C;mathcal#x7B;E#x7D;-orthogonal class and subcategories which are #x5C;mathcal#x7B;E#x7D;-coresolving and monomorphic preenveloping with cokernels in their left #x5C;mathcal#x7B;E#x7D;-orthogonal class are determined by each other.",
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          "precover#English"
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        "(mathematics) Synonym of precover"
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      "topics": [
        "mathematics",
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  "word": "precovering"
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        "present participle and gerund of precover"
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          "precover",
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        "(astronomy) present participle and gerund of precover"
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  "word": "precovering"
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  "word": "precovering"
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