Wolfram|Alpha创始人斯蒂芬·沃尔夫拉姆简介 Stephen Wolfram是一位杰出的科学家，发明家，作家，商业巨头。
Stephen Wolfram is a distinguished scientist, inventor, author, and business leader.
简介：正如我们上周已确定的那样，UML活动图记录单个操作或方法的逻辑、单个用例或商业过程的逻辑流程。
Summary: as we determined last week, UML activity diagrams document the logic of a single operation or method, a single use case, or the flow of logic of a business process.
提供协会简介、服务、旗下商业、活动、通讯。
Provides an introduction, profile of services, business operated by members, event list and newsletters.
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