However, distant river field also is facing the dilemma with degressive resource.然而, 辽河油田也面临着资源递减的困境.Resource increasing cost of degressive, exploitation, this is the objective law that resource city avoids hard.资源递减 、 开...
The theology was complicated, despite the jut - jawed charm and aquiline intensity with which it was expressed.尽管他有着极大的热情和非凡的敏锐,但神学本身对他来讲依然极其复杂.Self - focusing and self - defocusing intensity dependence of the index of t...