Water is to wave as () A: shell is to egg B: cloud is to sky C: fire is to flame D: galaxy is to planet E: tree is to leaf
Water is to wave as () A: shell is to egg B: cloud is to sky C: fire is to flame D: galaxy is to planet E: tree is to leaf
Which one is sky-wave propagation? ( )
Which one is sky-wave propagation? ( )
Given the following scripts， what output would be generated？（） A: The sky is red. B: The sky is blue. C: The sky is green. D: The sky is yellow.
Given the following scripts， what output would be generated？（） A: The sky is red. B: The sky is blue. C: The sky is green. D: The sky is yellow.
Which one is sky-wave propagation? ( ) 未知类型：{'options': ['', '', ''], 'type': 102}
Which one is sky-wave propagation? ( ) 未知类型：{'options': ['', '', ''], 'type': 102}
In a ( ), the oscillations are perpendicular to the direction in which the wave travels. An example is a wave on a string. A: transverse wave B: longitudinal wave
In a ( ), the oscillations are perpendicular to the direction in which the wave travels. An example is a wave on a string. A: transverse wave B: longitudinal wave
What kind of wave does ultrasound belong to and has certain radiation? A: Electromagnetic wave B: Mechanical wave C: Particle wave D: Light wave
What kind of wave does ultrasound belong to and has certain radiation? A: Electromagnetic wave B: Mechanical wave C: Particle wave D: Light wave
Seismic waves include P wave, S wave, Rayleigh wave and Love wave, of which the fastest is P wave.
Seismic waves include P wave, S wave, Rayleigh wave and Love wave, of which the fastest is P wave.
The sound wave is (). A: Mechanical transverse wave B: Mechanical longitudinal wave C: Electromagnetic wave D: X<br/>rays.
The sound wave is (). A: Mechanical transverse wave B: Mechanical longitudinal wave C: Electromagnetic wave D: X<br/>rays.
wave to/at sb wave goodbye to sb
wave to/at sb wave goodbye to sb
驻波 standing wave；stationary wave
驻波 standing wave；stationary wave