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一、世界能源结构在变化，煤炭将重新成为世界主要能源能源是发展国民经济的重要物质基础。煤炭是目前地球上蕴藏量最丰富的矿物燃料，自从七十年代石油危机以来，煤炭在当今世界能源结构中将重新成为主要能源的地位已日益明显。据国外资料报导，目前世界各类能源储量如表1所列。其中急缺的是廉价能源。地质学家认为不能简单地说世界能源不足，除大力继续勘探常规能源和节约消耗以外，应大力研究利用非常规能源和新能源。
First, the world’s energy structure is changing, coal will be re-emerged as the world’s major energy source of energy is an important material basis for the development of national economy. Coal is by far the most abundant fossil fuel on Earth. Since the oil crisis of the 1970s, coal has become increasingly prominent in the energy structure of the world as a major energy source. According to foreign statistics, the world’s energy reserves are listed in Table 1. One of the shortcomings is cheap energy. Geologists believe that the world can not simply say that the world’s energy shortage, in addition to vigorously continue to explore conventional energy and save consumption, should make great efforts to study the use of unconventional and new energy sources.