There are two oil and natural gas accumulation characters in basement rock reservoir which are all extraneoussource of oil and porous fractured reservoir.
基岩潜山油藏具有油气成藏的两种特征，即外来的油源和裂缝性储集空间。
2
The notion of God formed the subject of discussion; and yet the criterion of our knowledge was derived from such an extraneoussource as the materialised conception of God.