简答题 翻译：The retort method has several disadvantages as far as commercial work is concerned.

翻译：Conditions of viscous flow mean that the rate of flo...

问答题翻译：Conditions of viscous flow mean that the rate of flow will be sufficiently low to be directly proportinal to the potential gradient.

翻译：The data for subsurface maps are obtained from a num...

问答题翻译：The data for subsurface maps are obtained from a number of sources.

翻译：It has been suggested that an effective oil source r...

问答题翻译：It has been suggested that an effective oil source rock generates 10-40 bbl of oil per acre ft (0.0013-0.0052cc/cc) for each one per cent of organic carbon. This is approximately 500-2000 ppm by weight。