“youth volunteer activity”的概念、定义、翻译、参考文献-科学参考

单词	youth volunteer activity
释义	youth volunteer activity Encyclopedia 法学青少年社会工作释 youth volunteer activity青年志愿者活动青年以自己的时间、知识、技能、体力等向社会或者他人提供自愿、无偿的公益服务活动。
随便看	non-deterministic space, NSPACE non-deterministic time non-deterministic time complexity non-deterministic time hierarchy theorem non-deterministic time, NTIME non deterministic Turing machine non-deterministic Turing machine nondeterministic Turing machine non-developable non-developable ruled surface non-developable surface non-diagonal non-diagonal element non-diagonal term non-diamagnetic plasma non-differentiability non-differentiable non-differentiable curve non-differentiable function non-differentiable mapping non differentiable optimization non-differentiable optimization nondifferentiable optimization non-differentiable programming non diffracted acoustic beam

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