从供需弹性和跨期选择等经济学原理上看，目前在我国建立合适的石油储备是很有必要的。
In the view of the economic theory of demand elasticity and intertemporal choice, there is an urgent need to establish petroleum reserve in China.
还结合煤炭供需价格弹性研究，预期煤炭未来的价格走势将会是在波动中逐渐上涨。
Then, based on the price elasticity of coal demand and supply, the coal future price trend was expected to rise in fluctuation.
这方面从业者和相关机构的供给弹性很大——它很好地说明了为什么应该让医疗领域的劳动力像其他领域一样根据市场供需规律来自由流动。
The supply of practitioners and facilities is highly elastic — a great argument for why allowing manpower to freely follow the market works in medicine just as everywhere else.
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