What is the main factor causing Rayleigh scattering? A: Defects equivalent to the wavelength scale of the fiber B: Defects equivalent to the geometric size of the fiber C: Defects equivalent to the length of the fiber D: Impurities

Defects do occur alone.

‍Defects do occur alone.‏

Which of the following does not belong to defects in castings?

The drug has several side ( ). A: affects B: infects C: effects D: defects

________, glasses can correct most sight defects, whether near-sighted or far-sighted, in healthy eyes, especially for young people.

I think there are still lots of ________in our educational system. () A: defects B: synthetic C: spontaneous D: perfect

Sterling silver (92.5%Ag/7.5%Cu) is an example of ___________. A: Solid solution B: Alloy C: Defects D: Catalyst

以下哪项最适合用来定义“质量” A: Conformance to requirements B: Work as designed C: Zero defects D: None of the mentioned

For JPEG Compression Ratios, 30:1 to 50:1 compression is possible with small to moderate defects, 100:1 compression is quite feasible for __________ purposes.