消费者对产品适用性和其他功能特性适合其使用目的的主观理解叫知觉质量或认知质量,认知质量以产品内在质量为基础，但又不与后者相等同·两种产品的内在质量可以完全一样，但是消费者对它们的质量认知则可能相去很远·
刺激图片加入视觉干扰后，知觉质量下降，心理旋转加工推后，波幅调制的起始时刻推后。
With vision noise added to the stimulus pictures, the quality of perception decreased, the mental rotation process postponed, and the onset of the amplitude modulation was delayed.
知觉网络质量与服务内容，将影响情感反应变量在模型中。
The perceived Web quality with service contents would influence affective reaction variables in the model.
结果表明：1、品牌、产地、服务对消费者的产品质量知觉有显著影响；
The results suggested that: 1) Brand , country of origin, service significantly influenced consumers' perceived quality.
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