本周出炉的一批统计数据，显示美国经济正在走弱。
A bevy of statistics this week pointed to a weakening economy.
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。
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.
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。
A hypothesis method of a batch of products received or refused in sampling inspection by means of mathematical statistics was put forward.
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