奥巴马品牌迄今可谓数不胜数，比如一家冰淇淋店推出一款"Yes Pecan"冰淇淋，以求与奥巴马演讲口号"Yes We Can"谐音，还有玩偶公司以奥巴马女儿为样本推出了一对玩偶(见图)。
Products so far include an ice-cream flavor called Yes Pecan (a play on Obama's "Yes We Can" slogan) and a pair of new dolls (see photo) resembling the first daughters.
在典型的用例中，活动流是由特定参与者与系统间以执行特定目标为目的而开展的交互驱动的(例如，“管理水健康状况样本”)。
In a typical use case, the flow of activity is driven by the interaction of a particular actor with the system toward the execution of a specific goal (for example, "managing a water-health sample").
他目前正在进行一项跟踪研究，以地方社区600多户人家为样本。
He is currently following more than 600 families from the local community sample in a longitudinal study.
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