With the continuous development of science and technology, people's living standards have been greatly improved. Especially in the 21st century, people's life is developing towards intelligence. However, science and technology bring people not only advantages, but also many disadvantages. The most serious problem is environmental pollution. This problem affects people's daily life, so the first thing to solve is the environmental problem, and then improve people's living environment. The two most basic elements of the environment are temperature and humidity. Therefore, to improve the living environment, it is necessary to measure and control the temperature and humidity of the environment.<br>
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