A: The higher the frequency, the shorter the wavelength
B: The lower the frequency, the shorter the wavelength
C: The worse the penetration, the higher the discrimination
D: the better the penetration, the lower the discrimination
举一反三
- Generally speaking, the higher the sound quality is required, the higher the quantization level and the lower the sampling frequency is.
- Generally speaking, the higher the sound quality is required, the higher the quantization level and the lower the sampling frequency is. A: 正确 B: 错误
- Which one of the following statements about supply chain performance is true A: lower aggregate inventory will result in higher current assets B: higher inventory turns will result in higher working capital requirements C: longer delivery times will require higher levels of working capital D: shorter new product development time will result in lower revenue
- Data towards the edge of k-space is A: ) more intense. B: ) representative of higher frequency responses relative to that at the centre. C: ) representative of lower frequency responses relative to that at the centre.
- Generally, an analog signal can be reconstructed more accurately with A: more quantization levels B: fewer quantization levels C: a higher sampling frequency D: a lower sampling frequency E: either answer (a) or (c)
内容
- 0
Generally,<br/>an analog signal can be reconstructed more accurately with ( ) A: more<br/>quantization levels B: fewer<br/>quantization levels C: a<br/>higher sampling frequency D: a<br/>lower sampling frequency
- 1
Small population may mean ______. A: higher productlvity, but a lower average income B: lower productivity, but a higher average income C: lower productivity and a lower average income D: higher productivity and a higher average income
- 2
Relative to the underlying stock, a call option always has A: a higher beta and a higher standard deviation of return. B: a lower beta and a higher standard deviation of return. C: a higher beta and a lower standard deviation of return. D: a lower beta and a lower standard deviation of return.
- 3
After Compton scattering, the scattered x-ray has_______. A: Higher energy B: Higher velocity C: Less mass D: Longer wavelength
- 4
The correct statement about the bidding quotation is (). A: The bid price shall be lower than the market value of cost price, and lower than the social average cost price. B: The quotation can not be lower than the cost, but can be higher than the maximum bid price. C: If the quotation is lower than the cost, the bid evaluation committee shall reject the bid. D: The quotation can be lower than the cost, but not higher than the maximum bid price.