“positive youth development”的概念、定义、翻译、参考文献-科学参考

单词	positive youth development
释义	positive youth development Encyclopedia 理学〔综论〕释 positive youth development；PYD积极青少年发展观从个体潜能开发的视角来界定和理解青少年发展过程的观点。
随便看	second-order ordinary differential equation second order perturbation second order phase transition second-order phase transition second-order predicate second-order predicate calculus second-order predicate logic second-order process second-order property second order spatial coherence second-order spatial coherence second order spectrum second-order sufficient condition second-order system second order temporal coherence second-order temporal coherence second order term second-order theory second-order variation second order wave force second organic aerosol compounds second orthogonality relation second Pappus theorem second partial derivative second pendulum

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