The development of the catalysts has reached the level to meet the requirement of industrial production, but the basic study of the catalysts is not so wide and deep.
催化剂的开发水平已经能够满足工业化生产的要求 ，但基础理论研究不够广泛和深入。要想进一步提高催化剂的水平 ，要从基础理论入手。
But the development and utilization of deep groundwater vary, the level of developed resource compositions has big changes.
但是深层地下水开发利用程度不同，其开发的资源构成变化很大。
In combination with the features and application requirements of anhydrite, the specific direction in deep-level development of anhydrite was pointed out.
结合硬石膏的特性和应用要求，指出了硬石膏深层次开发的具体方向。
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