“volunteer at library”的概念、定义、翻译、参考文献-科学参考

单词	volunteer at library
释义	volunteer at library Encyclopedia 管理学图书馆志愿者服务释 volunteer at library图书馆志愿者服务指志愿者参与到图书馆工作之中，为图书馆开展各种读者服务工作提供无偿帮助。
随便看	singular initial number singular inner function singular integral singular integral curve singular integral element singular integral equation singular integral manifold singular integral operator singular invariant singular isothermal sphere singularities in MMP singularity singularity of a differentiable mapping singularity of a differential singularity of a flow singularity of a foliation singularity of a function singularity of a metric singularity of an algebraic variety singularity of an analytic function singularity of an embedding singularity of a vector field singularity of complex hypersurface singularity of induced measures singularity of mechanisms

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