弹性又称为相对导数，它在商品经济活动中有着广泛的应用，诸如用价格调节需求等。
Elasticity, also called relative derivation, is extensively applied in the activity of commodity economy , such as adjusting the demand with price.
市场机制能有效调节的经济活动，一律取消审批。
The government should withdraw from business activities that can be regulated and modulated by market rules.
利率对经济生活的影响是巨大和多方面的，对宏观经济运行与微观经济活动都有着极其重要的调节作用。
Interest rate has enormous and various effect on the economic life, which is a conditioner to both the macro economic circulation and the micro economic function.
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