“principle of community classification”的概念、定义、翻译、参考文献-科学参考

单词	principle of community classification
释义	principle of community classification Encyclopedia 理学群落分类原则释 principle of community classification群落分类原则对多种多样的生物群落由低级到高级分成若干等级（或称分类系统）所依据的标准和特征。
随便看	second-order constraint qualification second order correlation second order correlation function second-order correlation function second-order curve second order day number second-order derivative second-order design second-order difference second-order differential second-order differential equation second order discrete optimal control law synthesis second order effect second-order efficiency second-order efficient estimator second-order Euler triangle second-order functional calculus second-order language second-order logic second-order memristor second-order model theory second-order necessary condition second-order nonlinear optical effect second-order optimality condition second-order ordinary differential equation

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