1. In a single slit Fraunhofer diffraction device, the dissymmetry distributing diffraction pattern can be seen on the screen by turning one edge of the single slit and fixing another. 利用单缝夫琅和费衍射装置，通过转动使组成狭缝的一棱边与另一固定棱边形成分离间隙，进而使观察屏上的衍射条纹出现不对称分布现象。
2. Because of the information dissymmetry In the relationship between medical care providers and patients, patients are induction to adverse selection, and moral hazard behaviors are produced. 在医患关系中，由于信息不对称，导致医疗供方诱导患方就医逆向选择，并产生医患双方道德风险行为。
3. The contradiction between doctor and patient becomes to be a serious social problem at present in China, which forces us to face its deep-seated reason — the dissymmetry of medical information. 目前我国医患矛盾激化已成为一个严重的社会问题，这迫使我们不得不去正视其深层次原因———医疗服务信息的不对称。
