“urban cluster economy”的概念、定义、翻译、参考文献-科学参考

单词	urban cluster economy
释义	urban cluster economy Encyclopedia 经济学城市群释 urban cluster economy城市群经济由城市群形成的超越单一城市发展的正外部性所带来的效率提升作用。
随便看	semigroup of right zeros semigroup of shifts semigroup of transformations semigroupoid semigroup property semigroup quasi-regular on the left semigroup quasi-regular on the right semigroup ring semigroup stationary on the left semigroup stationary on the right semigroup theoretic semigroup theoretical semigroup-valued semigroup-valued integral semigroup-valued measure semigroup-valued set function semigroup with cancellation semigroup with identity element semigroup without idempotents semi-handle semi hard biscuit semihard magnetic material semi-heap semihereditary semihereditary algebra

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