Large - scale scientific data have its unique characteristics , such as huge data quantities and complicated features , which usually makes it difficult to understand , analyze and extract knowledge from them . thus , scientific data mining is imperative under the situation 大规模科学数据具有数据量大、特征复杂的特点,在对其进行处理时,往往使得理解、分析这些科学数据,并从中获取知识变得十分困难,由此科学数据挖掘势在必行。
The project proponent fails to fully address the issue of " no - net - loss in wetland function " and the effectiveness and feasibility of the proposed wetland enhancement measures for mitigating the loss of wetland functions have not been demonstrated or substantiated with sound scientific data 九广铁路亦未能符合不会有湿地功能净减少的原则。环评报告没有试验或提出精确的科学数据证明其建议的湿地功能强化弥偿措施确实有效或足够。
Combine many traditional algorithms we construct the utility sdm system on j2ee platform and we validate the correctness and efficiency of our algorithms . this sdm system gives a new method to mine valuable information from large - scale numerical value simulation data 最后结合一些传统的数据挖掘方法,采用已有的预处理步骤,确定了数据挖掘模型,验证了我们算法的有效性和正确性,为从大规模科学数据中提取有价值的信息提供有效的新方法。
Planning and scheduling satellite ' s payloads is to arrange the working mode of payloads under the limited resource on satellite , optimize the scheme of resource . the related theory and application with planning and scheduling technology are introduced firstly 在卫星资源受限时，规划与调度应该能够根据有效载荷的优先等级、资源请求和卫星的资源情况，合理安排各个载荷的工作状态，在满足各种资源约束的前提下最大限度的获取科学数据。
