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Why do cats' eyes glow 
In fact, the cat's eyes do not really shine, but show a phenomenon of light. This phenomenon is called "cat's eye glow" or "cat's eye reflection". The reason why cats' eyes look luminous is that they have a special structure called "reflective layer". This is a structure behind the eyes of cats, which is composed of cells and tissues. Its main function is to increase -
What is Nazism? 
Nazism (German: National socialism, which means national socialism or national socialism), often called "Hitler fascism" (German: Hitler fascism) in Europe in the 1930s, is a form of fascism, referring to Adolf Xi from 1933 to 1945 -
What are the three views 
The term "three outlooks" is often used in Chinese culture, which refers to a person's basic values, world outlook and outlook on life. This concept emphasizes the influence of a person's values, ideas and moral standards on his behavior and judgment. Although there is no fixed definition, it is generally believed that "three outlooks" refer to the following three aspects: these "three outlooks" influence each other and shape together -
Why should flowers be watered 
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Tencent cloud IM offline callback timeliness description 
Function description The App background can view the user's online and offline behavior in real time through this callback, including: Precautions The real-time nature of the scenario callback that may trigger this callback Android/iOS/PC For most cases, the change of user status can be sensed in real time, so that the callback can be triggered in real time. For example, there is only one special case -
1080p? 2k? 4k? Silly and unclear (comparison table) 
The following is a comparison table of common video resolution parameters. It should be noted that these resolution parameters are generally used in high-end video production, game development and other professional fields, and the corresponding hardware equipment and bandwidth requirements will also be higher. Moreover, not all application scenarios need such a high resolution, and the specific resolution depends on the specific needs and circumstances. Sometimes -
Why Alcohol Can Sterilize 
The reason why alcohol can be sterilized is that alcohol can absorb the moisture of viral protein, make it dehydrate, denature and solidify, so as to kill the virus. If high concentration alcohol is used, the virus protein will be dehydrated too quickly, so that the virus surface protein will first denature and solidify, forming a solid envelope. On the contrary, alcohol can not penetrate into the virus well, so as to affect its killing of the virus -
Why do colds sneeze The capillaries of the mucosa shrink and the secretion of mucosal glands decreases after the nerve reflex. At the beginning of a cold, the patient will feel dry, burning, or itchy in the nose, and often sneeze. In addition: common cold, commonly known as cold, is also called acute upper respiratory tract infection or acute nasopharyngitis in medicine -
What is precipitation 
Precipitation is the accumulated depth of water [1] when it falls to the level within a certain period of time, if there is no leakage, loss or evaporation, and it is the data to measure the amount of precipitation in a region. The unit is mm and the symbol is mm. The annual precipitation is often used to describe the climate of the area, which is an important indicator except for the climate type, and the isoprecipitation line is used to divide the dry and wet areas -
virtue Virtue ρετή "Arete", English: virtual) is moral excellence. Virtue is regarded as the character or quality of good in morality, so virtue is regarded as the basis of good principles and morality. Individual virtue is regarded as promoting and realizing the great characteristics of the collective and individual. Source