74（）
A: rate
B: speed
C: frequency
D: ratio
A: rate
B: speed
C: frequency
D: ratio
举一反三
- A．rateB．speedC．frequencyD．ratio A: rate B: speed C: frequency D: ratio
- The<br/>birth _____ is the number of births compared to the number of the<br/>people. () A: speed B: rate C: frequency D: percentage
- 常用的相对数指标有() A: relative ratio、相对数、均数 B: rate、proportions、relative<br/>ratio C: standardized rate、relative<br/>ratio、相对数 D: 相对数、rate、均数 E: proportions、标准差、standardized<br/>rate
- The three cutting parameters for turning processing are ( ). A: cutting speed, feed and depth of cut B: cutting speed, workpiece rotational frequency and depth of cut C: workpiece rotational frequency, feed and depth of cut D: depth of cut, workpiece rotational frequency and feed
- Shannon's theorem describes the relationship between "bandwidth" and "rate" from a quantitative point of view. In the formula of Shannon's theorem, the parameters related to the maximum transmission rate of the channel mainly includes channel bandwidth and ()? A: Frequency characteristics B: Signal-to-Noise Ratio C: Phase Characteristics D: Noise Power