波前 wave front
举一反三
- 全息照相过程分为哪两个步骤？ A: 波前记录 B: 波前再现 C: 波前校正 D: 波前探测
- 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
- 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.