With databases growing at an unrelenting pace, the ability to collect statistics by accessing all of the data may be hampered by fixed batch Windows or memory and CPU constraints.
随着数据库快速不断地增长，通过访问所有数据收集统计信息的能力可能会受到固定的批量窗口、内存和CPU约束的阻碍。
The first batch of statistics is expected to be officially released before the end of 2007. China’s first official index system for E-commerce statistics is under construction.
目前正与中国国家统计局联合开展电子商务统计，第一批统计数据预计在2007年年底前可正式对外发布，中国第一个权威的电子商务统计指标体系正在逐步形成。
A hypothesis method of a batch of products received or refused in sampling inspection by means of mathematical statistics was put forward.
应用数理统计的知识，给出了产品抽样检查中批产品被接收(或拒收)的假设方法。
应用推荐