该系统包括“三大”成矿体系，即：幔源岩浆体系、深穿透断裂构造体系、含矿气液流体体系。
The mineralization system has three giant system, namely mantle magmatic system, penetrability deep-fault and ore- bearing pneumato-hydrothermal system.
过去的石油平台基本上都是涉足它们直接开采的领域，例如北海alwyn是用同一个名字来命名它的石油矿和天然气矿的。
Oil platforms used to stand directly above the fields they drilled, as Alwyn North does over the oil and gas deposits of the same name.
现在探明的石油及气矿，譬如海底储备，其回报率介于16比1至20比1之间。
Current oil and gas finds, such as undersea reserves, may offer a return between 16-to-1 and 20-to-1.
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