a stimulus that is just strong enough to elicit a response. unconditioned stimulus. any stimulus that is capable of eliciting an unconditioned response. See also conditioning. unstructured stimulus. an unclear or ambiguous stimulus, the perception of which is influenced to a greater extent by the characteristics of the perceiver than by those of the stimulus.
Yip, YIP, or yips may refer to: Yip (nickname), a list of people. Ye (surname), a Chinese surname also romanized as Yip (è), including a list of people.
Yiwu was called Wushang in history, it's belong to Jinhua, Zhejiang province, 58.15km from north to south, 44.41kg from east to west, occupy 1105 sqaure meters, have population 753312, include minority nationality 99146, Yiwu is one of the four centre city of Zhejiang province.