Methods: ABC analysis and additional supply rule were used to manage the hospital drug inventory.

方法：运用ABC分类法以及补充式出库法等对我院药品库存进行管理。

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As an economic rule goes, when supply outweighsdemand, the price decreases.

从经济规律上来说，当供过于求时，价格上涨。

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Soil distribution rule and change tendency were used to supply scientific basis for reasonably improving and utilizing soil.

掌握土壤分布规律与变化趋势，为合理改良与充分利用土壤资源提供科学依据。

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The lead-time associated with upside in the semiconductor world is huge, sometimes as long as 26 weeks (supply is tight right now so this rule is in effect and Apple had major supply problems with the iPhone 4 and iPad).

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Congestion pricing: The supply-and-demand rule in action, digitally.

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You simply write a rule that says that utilities must supply a certain percent of the market from renewable energy, no matter what the price.

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