In the first time of our country economy fast development stage, the highway basic facilities construction and maintaining need a lot of money.
公路基础设施的建设和维护需要大量的资金，在我国经济腾飞初期的非常阶段情况更是如此。
The construction of expressway has entered the fast development stage since the important strategy of speeding the basic facility construction been put forward in 1998.
自1998年国家提出加快基础设施建设的重大战略决策以来，高速公路建设进入了一个突飞猛进的时代。
The basic law of injection development is the injection development at the early stage, fast water-cut rising and low recovery degree at middle stage.
注水开发的基本规律是：注水开发早、中期含水上升速度快，采出程度低，相当多的水驱可采储量要在高含水期采出。
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