Asworldconsumptionofenergygrowsfast,theprovenpetroleumreservesarelimitedintoday'sworld,andtheoilpricefluctuatesandmostoftensoarsupsharply,energyhasbecomeamostcrucialfactorintheworldeconomyandtheenergysecurity
中国国际问题研究:英文版
2009年6期