The main reason why air-conditioner indoor machines can have multiple colors is
A: The difference in emissivity of different colors paints at room temperature is small
B: The emissivity of different colors paints varies greatly at room temperature
C: The absorptance of different colors paints to visible light is quite different at room temperature
D: The difference in the absorptance of different colors paint to visible light at room temperature is small
A: The difference in emissivity of different colors paints at room temperature is small
B: The emissivity of different colors paints varies greatly at room temperature
C: The absorptance of different colors paints to visible light is quite different at room temperature
D: The difference in the absorptance of different colors paint to visible light at room temperature is small
举一反三
- The colors look different in different (light)________.
- Similarly, people of different cultural backgrounds have similar understanding of the same colors, but the connotation of colors can also carry similar meanings in different cultures. （ ）
- A beam of white light is separated into beams of various colors, ____ we conclude that white light is actually a mixture of light of these different colors.
- Why colors of national flags are different A: To tell from each other. B: For particular meaning. C: To show colors’ functions.
- Americans come ____all different colors and nationalities.