简答题 翻译：Classification of traps logically falls into three broad general groups: (1) structural, (2)stratigraphic, and (3)combination.

翻译：The retort method has several disadvantages as far a...

问答题翻译：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.